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1.
BMC Med ; 18(1): 347, 2020 11 04.
Article in English | MEDLINE | ID: covidwho-910201

ABSTRACT

BACKGROUND: Evidence concerning the long-term impact of Covid-19 in pregnancy on mother's psychological disorder and infant's developmental delay is unknown. METHODS: This study is a longitudinal single-arm cohort study conducted in China between May 1 and July 31, 2020. Seventy-two pregnant patients with Covid-19 participated in follow-up surveys until 3 months after giving birth (57 cases) or having abortion (15 cases). We collected data from medical records regarding Covid-19, delivery or abortion, testing results of maternal and neonatal specimens, and questionnaires of quarantine, mother-baby separation, feeding, and measuring of mothers' mental disorders and infants' neurobehavioral disorders. RESULTS: All cases infected in the first trimester and 1/3 of cases infected in the second trimester had an abortion to terminate the pregnancy. 22.2% of pregnant patients were suffering from post-traumatic stress disorder or depression at 3 months after delivery or induced abortion. Among 57 live births, only one neonate was positive of nucleic acid testing for throat swab, but negative in repeated tests subsequently. The median duration of mother-baby separation was 35 days (interquartile range 16 to 52 days). After the termination of maternal quarantine, 49.1% of mothers chose to prolong the mother-baby separation (median 8 days; IQR 5 to 23 days). The breastfeeding rate was 8.8% at 1 week after birth, 19.3% at the age of 1 month, and 36.8% at the age of 3 months, respectively. The proportion of "monitoring" and "risk" in the social-emotional developmental domain at the age of 3 months was 22.7% and 63.6%, respectively. After the adjustment of preterm, neonatal sex, admitted to NICU, and the mother's Covid-19 condition, the negative associations were significantly identified (p < 0.05) between mother-baby separation days and three developmental domains: communication, gross motor, and personal-social. CONCLUSIONS: There is no definite evidence on vertical transmission of SARS-CoV-2. In addition to control infection risk, researchers and healthcare providers should pay more attention to maternal mental health and infant's feeding, closeness with parents, and early development.


Subject(s)
Betacoronavirus , Child Development , Coronavirus Infections/psychology , Infant Behavior/psychology , Infectious Disease Transmission, Vertical , Pneumonia, Viral/psychology , Pregnancy Complications, Infectious/psychology , Adult , COVID-19 , Child Development/physiology , China/epidemiology , Cohort Studies , Coronavirus Infections/epidemiology , Coronavirus Infections/transmission , Female , Follow-Up Studies , Humans , Infant , Infant Behavior/physiology , Infant, Newborn , Longitudinal Studies , Male , Mothers/psychology , Pandemics , Pneumonia, Viral/epidemiology , Pneumonia, Viral/transmission , Pregnancy , Pregnancy Complications, Infectious/epidemiology , SARS-CoV-2 , Surveys and Questionnaires
2.
Ann Biomed Eng ; 48(12): 3003-3013, 2020 Dec.
Article in English | MEDLINE | ID: covidwho-880328

ABSTRACT

In patients with critically ill COVID-19 pneumonia, lower airways are filled with plenty of highly viscous exudates or mucus, leading to airway occlusion. The estimation of airway opening pressures and effective mucus clearance are therefore two issues that clinicians are most concerned about during mechanical ventilation. In this study we retrospectively analyzed respiratory data from 24 critically ill patients with COVID-19 who received invasive mechanical ventilation and recruitment maneuver at Jinyintan Hospital in Wuhan, China. Among 24 patients, the mean inspiratory plateau pressure was 52.4 ± 4.4 cmH2O (mean ± [SD]). Particularly, the capnograms presented an upward slope during the expiratory plateau, indicting the existence of airway obstruction. A computational model of airway opening was subsequently introduced to investigate possible fluid dynamic mechanisms for the extraordinarily high inspiratory plateau pressures among these patients. Our simulation results showed that the predicted airway opening pressures could be as high as 40-50 cmH2O and the suction pressure could exceed 20 kPa as the surface tension and viscosity of secretion simulants markedly increased, likely causing the closures of the distal airways. We concluded that, in some critically ill patients with COVID-19, limiting plateau pressure to 30 cmH2O may not guarantee the opening of airways due to the presence of highly viscous lower airway secretions, not to mention spontaneous inspiratory efforts. Active airway humidification and effective expectorant drugs are therefore strongly recommended during airway management.


Subject(s)
COVID-19/physiopathology , Computer Simulation , Lung/physiopathology , Models, Biological , Pulmonary Gas Exchange , Respiratory Mechanics , SARS-CoV-2 , Adult , Aged , Air Pressure , COVID-19/therapy , Critical Illness , Female , Humans , Male , Middle Aged , Retrospective Studies
4.
Preprint | SSRN | ID: ppcovidwho-574

ABSTRACT

BACKGROUND: Corona virus infective disease 2019(COVID-19) is an emerging infectious disease that first outbreak in humans in China in December 2020 and has subs

5.
Emerg Microbes Infect ; 9(1): 2315-2321, 2020 Dec.
Article in English | MEDLINE | ID: covidwho-799338

ABSTRACT

Prolonged presence of viral nucleic acid was reported in certain patients with coronavirus disease 2019 (COVID-19), with unclear clinical and epidemiological significance. We here described the clinical and epidemiological characteristics of 37 recovered COVID-19 patients with prolonged presence of viral RNA in Wuhan, China. For those who had been discharged and re-admitted, their close contacts outside the hospital were traced and evaluated. The median age of the 37 patients was 62 years (IQR 50, 68), and 24 (64.9%) were men. They had common or severe COVID-19. With prolonged positive RT-PCR, most patients were clinically stable, 29 (78.4%) denied any symptoms. A total of 431 PCR tests were carried out, with each patient at a median of 8 time points. The median time of PCR positivity to April 18 was 78 days (IQR 67.7, 84.5), and the longest 120 days. 22 of 37 patients had been discharged at a median of 44 days (IQR 22.3, 50) from disease onset, and 9 had lived with their families without personal protections for a total of 258 person-days and no secondary infection was identified through epidemiological investigation, nucleic acid and antibody screening. Infectiousness in COVID-19 patients with prolonged presence of viral nucleic acid should not solely be evaluated by RT-PCR. Those patients who have clinically recovered and whose disease course has exceeded four weeks were associated with very limited infectiousness. Reconsideration of disease control in such patients is needed.


Subject(s)
Betacoronavirus/physiology , Coronavirus Infections/virology , Pneumonia, Viral/virology , RNA, Viral/genetics , Aged , Betacoronavirus/genetics , COVID-19 , China/epidemiology , Coronavirus Infections/epidemiology , Female , Follow-Up Studies , Humans , Male , Middle Aged , Pandemics , Pneumonia, Viral/epidemiology , Polymerase Chain Reaction , RNA, Viral/metabolism , SARS-CoV-2
6.
Function ; 2020.
Article | WHO COVID | ID: covidwho-675980

ABSTRACT

The ongoing pandemic of coronavirus disease 2019 (COVID-19) caused by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) poses a serious threat to global public health and there is currently no effective antiviral therapy. It has been suggested that Chloroquine (CQ) and hydroxychloroquine (HCQ), which were primarily employed as prophylaxis and treatment for malaria, could be used to treat COVID-19. CQ and HCQ may be potential inhibitors of SARS-CoV-2 entry into host cells, which is mediated via the angiotensin-converting enzyme 2 (ACE2), and may also inhibit subsequent intracellular processes which lead to COVID-19, including damage to the cardiovascular system. However, paradoxically, CQ and HCQ have also been reported to cause damage to the cardiovascular system. In this review, we provide a critical examination of the published evidence. CQ and HCQ could potentially be useful drugs in the treatment of COVID-19 and other ACE2 involved virus infections, but the antiviral effects of CQ and HCQ need to be tested in more well-designed clinical randomized studies and their actions on the cardiovascular system need to be further elucidated. However, even if it were to turn out that CQ and HCQ are not useful drugs in practice, further studies of their mechanism of action could be helpful in improving our understanding of COVID-19 pathology.

7.
J Dig Dis ; 21(9): 512-518, 2020 Sep.
Article in English | MEDLINE | ID: covidwho-670044

ABSTRACT

OBJECTIVE: Abnormal liver function is a common form of extra-pulmonary organ damage in patients with coronavirus disease 2019 (COVID-19). Patients with severe COVID-19 have a higher probability and progression of liver injury than those without severe disease. We aimed to evaluate the prognosis of liver injury in patients with COVID-19. METHODS: We retrospectively included 502 patients with laboratory-confirmed SARS-CoV-2 infection. Clinical features and survival of patients with and without liver injury were compared. Cox proportional hazards models were used to determine the variables that might have an effect on survival. RESULTS: Among the 502 patients enrolled, 301 patients had abnormal liver function with increased neutrophil count, C-reactive protein, creatinine, troponin I (TnI), D-dimer, lactose dehydrogenase and creatine kinase. Patients with abnormal liver functions had a higher mortality rate (28.9% vs 9.0%, P < 0.001), a higher ratio of male sex (65.1% vs 40.8%, P < 0.001) and a higher chance of developing systemic inflammatory response syndrome (53.5% vs 41.3%, P = 0.007). Among patients with abnormal liver functions, patients with grade 2 liver damage (with both abnormal alanine aminotransferase or aspartate aminotransferase levels and abnormal alkaline phosphatase or gamma-glutamyl transpeptidase levels) had a higher ratio of male patients, elevated neutrophil count, procalcitonin, D-dimer levels and mortality rate. Multivariate Cox regression analyses suggested that the grade of liver damage (hazard ratio: 1.377, 95% confidence interval: 1.000-1.896, P = 0.049) was an independent predictor of death. CONCLUSIONS: Patients with COVID-19 and abnormal liver functions have a higher mortality than those with normal liver functions. Liver damage is an independent prognostic factor of COVID-19.


Subject(s)
Alanine Transaminase/blood , Aspartate Aminotransferases/blood , C-Reactive Protein/analysis , Coronavirus Infections , Fibrin Fibrinogen Degradation Products/analysis , Hepatic Insufficiency , Pandemics , Pneumonia, Viral , Betacoronavirus/isolation & purification , COVID-19 , China/epidemiology , Coronavirus Infections/blood , Coronavirus Infections/diagnosis , Coronavirus Infections/mortality , Coronavirus Infections/physiopathology , Female , Hepatic Insufficiency/blood , Hepatic Insufficiency/diagnosis , Hepatic Insufficiency/etiology , Humans , Leukocyte Count/methods , Male , Middle Aged , Mortality , Outcome and Process Assessment, Health Care , Pneumonia, Viral/blood , Pneumonia, Viral/diagnosis , Pneumonia, Viral/mortality , Pneumonia, Viral/physiopathology , Procalcitonin/blood , Prognosis , Retrospective Studies , SARS-CoV-2 , Severity of Illness Index
11.
N Engl J Med ; 382(19): 1787-1799, 2020 05 07.
Article in English | MEDLINE | ID: covidwho-9371

ABSTRACT

BACKGROUND: No therapeutics have yet been proven effective for the treatment of severe illness caused by SARS-CoV-2. METHODS: We conducted a randomized, controlled, open-label trial involving hospitalized adult patients with confirmed SARS-CoV-2 infection, which causes the respiratory illness Covid-19, and an oxygen saturation (Sao2) of 94% or less while they were breathing ambient air or a ratio of the partial pressure of oxygen (Pao2) to the fraction of inspired oxygen (Fio2) of less than 300 mm Hg. Patients were randomly assigned in a 1:1 ratio to receive either lopinavir-ritonavir (400 mg and 100 mg, respectively) twice a day for 14 days, in addition to standard care, or standard care alone. The primary end point was the time to clinical improvement, defined as the time from randomization to either an improvement of two points on a seven-category ordinal scale or discharge from the hospital, whichever came first. RESULTS: A total of 199 patients with laboratory-confirmed SARS-CoV-2 infection underwent randomization; 99 were assigned to the lopinavir-ritonavir group, and 100 to the standard-care group. Treatment with lopinavir-ritonavir was not associated with a difference from standard care in the time to clinical improvement (hazard ratio for clinical improvement, 1.31; 95% confidence interval [CI], 0.95 to 1.80). Mortality at 28 days was similar in the lopinavir-ritonavir group and the standard-care group (19.2% vs. 25.0%; difference, -5.8 percentage points; 95% CI, -17.3 to 5.7). The percentages of patients with detectable viral RNA at various time points were similar. In a modified intention-to-treat analysis, lopinavir-ritonavir led to a median time to clinical improvement that was shorter by 1 day than that observed with standard care (hazard ratio, 1.39; 95% CI, 1.00 to 1.91). Gastrointestinal adverse events were more common in the lopinavir-ritonavir group, but serious adverse events were more common in the standard-care group. Lopinavir-ritonavir treatment was stopped early in 13 patients (13.8%) because of adverse events. CONCLUSIONS: In hospitalized adult patients with severe Covid-19, no benefit was observed with lopinavir-ritonavir treatment beyond standard care. Future trials in patients with severe illness may help to confirm or exclude the possibility of a treatment benefit. (Funded by Major Projects of National Science and Technology on New Drug Creation and Development and others; Chinese Clinical Trial Register number, ChiCTR2000029308.).


Subject(s)
Antiviral Agents/therapeutic use , Betacoronavirus/isolation & purification , Coronavirus Infections/drug therapy , Cytochrome P-450 CYP3A Inhibitors/therapeutic use , Lopinavir/therapeutic use , Pneumonia, Viral/drug therapy , Ritonavir/therapeutic use , Adult , Aged , Antiviral Agents/adverse effects , Betacoronavirus/genetics , COVID-19 , COVID-19 Testing , Clinical Laboratory Techniques , Coronavirus Infections/diagnosis , Coronavirus Infections/mortality , Coronavirus Infections/virology , Cytochrome P-450 CYP3A Inhibitors/adverse effects , Drug Therapy, Combination , Female , Hospital Mortality , Humans , Intention to Treat Analysis , Lopinavir/adverse effects , Male , Middle Aged , Pandemics , Patient Acuity , Pneumonia, Viral/mortality , Pneumonia, Viral/virology , Proportional Hazards Models , Reverse Transcriptase Polymerase Chain Reaction , Ritonavir/adverse effects , SARS-CoV-2 , Time-to-Treatment , Treatment Failure , Viral Load
12.
European Heart Journal ; 2020.
Article | WHO COVID | ID: covidwho-8772

ABSTRACT

A 37-year-old male patient was admitted to hospital on 14 January 2020, with chest pain and dyspnoea for 3 days, accompanied by diarrhoea. His blood pressure decreased to 80/50 mmHg. X-ray chest film showed significant enlargement of the heart (Panel A: cardiothoracic ratio 0.70). Chest computed tomography (CT) examination indicated pulmonary infection, enlarged heart, and pleural effusion (Panels B and C). The electrocardiogram suspected ST-segment elevation acute myocardial infarction (III, AVF ST-segment elevation, Panels D and E), an emergency CT coronary angiography revealed no coronary stenosis. Markers of myocardial injury were significantly elevated. Troponin T was more than 10 000 ng/L. Creatine kinase isoenzyme CKMB 112.9 ng/L. Natriuretic peptide BNP was up to 21 025 ng/L. Echocardiography revealed an enlarged heart and a marked decrease in ventricular systolic function [left ventricle (end diastolic) dimension (LV) 58 mm, left atrium dimension (LA) 39 mm, right ventricle dimension (RV) 25 mm, right atrium dimension (RA) 48 mm, left ventricular ejection fraction (LVEF) 27%, trace 2 mm pericardial effusion]. Sputum was examined for 13 viral nucleic acids related to respiratory tract. Only the coronavirus nucleic acid test was positive. All of the other 12 nucleic acid tests were negative, including influenza A virus, adenovirus, bocavirus, rhinovirus, influenza A(H1N1) 2009, parainfluenza, chlamydia, partial pulmonary virus, influenza B virus, mycoplasma pneumoniae, influenza A virus H3N2, and respiratory syncytial virus. The diagnosis of this patient is coronavirus fulminant myocarditis with cardiogenic shock and pulmonary infection.

13.
Lancet ; 395(10229): 1054-1062, 2020 03 28.
Article in English | MEDLINE | ID: covidwho-6685

ABSTRACT

BACKGROUND: Since December, 2019, Wuhan, China, has experienced an outbreak of coronavirus disease 2019 (COVID-19), caused by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). Epidemiological and clinical characteristics of patients with COVID-19 have been reported but risk factors for mortality and a detailed clinical course of illness, including viral shedding, have not been well described. METHODS: In this retrospective, multicentre cohort study, we included all adult inpatients (≥18 years old) with laboratory-confirmed COVID-19 from Jinyintan Hospital and Wuhan Pulmonary Hospital (Wuhan, China) who had been discharged or had died by Jan 31, 2020. Demographic, clinical, treatment, and laboratory data, including serial samples for viral RNA detection, were extracted from electronic medical records and compared between survivors and non-survivors. We used univariable and multivariable logistic regression methods to explore the risk factors associated with in-hospital death. FINDINGS: 191 patients (135 from Jinyintan Hospital and 56 from Wuhan Pulmonary Hospital) were included in this study, of whom 137 were discharged and 54 died in hospital. 91 (48%) patients had a comorbidity, with hypertension being the most common (58 [30%] patients), followed by diabetes (36 [19%] patients) and coronary heart disease (15 [8%] patients). Multivariable regression showed increasing odds of in-hospital death associated with older age (odds ratio 1·10, 95% CI 1·03-1·17, per year increase; p=0·0043), higher Sequential Organ Failure Assessment (SOFA) score (5·65, 2·61-12·23; p<0·0001), and d-dimer greater than 1 µg/mL (18·42, 2·64-128·55; p=0·0033) on admission. Median duration of viral shedding was 20·0 days (IQR 17·0-24·0) in survivors, but SARS-CoV-2 was detectable until death in non-survivors. The longest observed duration of viral shedding in survivors was 37 days. INTERPRETATION: The potential risk factors of older age, high SOFA score, and d-dimer greater than 1 µg/mL could help clinicians to identify patients with poor prognosis at an early stage. Prolonged viral shedding provides the rationale for a strategy of isolation of infected patients and optimal antiviral interventions in the future. FUNDING: Chinese Academy of Medical Sciences Innovation Fund for Medical Sciences; National Science Grant for Distinguished Young Scholars; National Key Research and Development Program of China; The Beijing Science and Technology Project; and Major Projects of National Science and Technology on New Drug Creation and Development.


Subject(s)
Coronavirus Infections/mortality , Organ Dysfunction Scores , Patient Care Planning , Pneumonia, Viral/mortality , Risk Assessment , Adolescent , Adult , Age Factors , Aged , Aged, 80 and over , Betacoronavirus , COVID-19 , COVID-19 Testing , Cardiovascular Diseases/complications , China , Clinical Laboratory Techniques , Cohort Studies , Comorbidity , Coronavirus Infections/complications , Coronavirus Infections/diagnosis , Diabetes Complications , Disease Progression , Female , Fibrin Fibrinogen Degradation Products/analysis , Humans , Hypertension/complications , Male , Middle Aged , Mortality/trends , Pandemics , Patient Isolation , Pneumonia, Viral/complications , Pneumonia, Viral/diagnosis , Prognosis , Retrospective Studies , Risk Assessment/methods , Risk Factors , SARS-CoV-2 , Young Adult
14.
Lancet ; 395(10223): 507-513, 2020 02 15.
Article in English | MEDLINE | ID: covidwho-78

ABSTRACT

BACKGROUND: In December, 2019, a pneumonia associated with the 2019 novel coronavirus (2019-nCoV) emerged in Wuhan, China. We aimed to further clarify the epidemiological and clinical characteristics of 2019-nCoV pneumonia. METHODS: In this retrospective, single-centre study, we included all confirmed cases of 2019-nCoV in Wuhan Jinyintan Hospital from Jan 1 to Jan 20, 2020. Cases were confirmed by real-time RT-PCR and were analysed for epidemiological, demographic, clinical, and radiological features and laboratory data. Outcomes were followed up until Jan 25, 2020. FINDINGS: Of the 99 patients with 2019-nCoV pneumonia, 49 (49%) had a history of exposure to the Huanan seafood market. The average age of the patients was 55·5 years (SD 13·1), including 67 men and 32 women. 2019-nCoV was detected in all patients by real-time RT-PCR. 50 (51%) patients had chronic diseases. Patients had clinical manifestations of fever (82 [83%] patients), cough (81 [82%] patients), shortness of breath (31 [31%] patients), muscle ache (11 [11%] patients), confusion (nine [9%] patients), headache (eight [8%] patients), sore throat (five [5%] patients), rhinorrhoea (four [4%] patients), chest pain (two [2%] patients), diarrhoea (two [2%] patients), and nausea and vomiting (one [1%] patient). According to imaging examination, 74 (75%) patients showed bilateral pneumonia, 14 (14%) patients showed multiple mottling and ground-glass opacity, and one (1%) patient had pneumothorax. 17 (17%) patients developed acute respiratory distress syndrome and, among them, 11 (11%) patients worsened in a short period of time and died of multiple organ failure. INTERPRETATION: The 2019-nCoV infection was of clustering onset, is more likely to affect older males with comorbidities, and can result in severe and even fatal respiratory diseases such as acute respiratory distress syndrome. In general, characteristics of patients who died were in line with the MuLBSTA score, an early warning model for predicting mortality in viral pneumonia. Further investigation is needed to explore the applicability of the MuLBSTA score in predicting the risk of mortality in 2019-nCoV infection. FUNDING: National Key R&D Program of China.


Subject(s)
Coronavirus Infections/diagnosis , Coronavirus Infections/epidemiology , Pneumonia, Viral/diagnosis , Pneumonia, Viral/epidemiology , Adult , Aged , Aged, 80 and over , COVID-19 , China/epidemiology , Comorbidity , Coronavirus Infections/complications , Coronavirus Infections/therapy , Cough/epidemiology , Cough/virology , Disease Outbreaks , Dyspnea/epidemiology , Dyspnea/virology , Female , Fever/epidemiology , Fever/virology , Humans , Male , Middle Aged , Pneumonia, Viral/complications , Pneumonia, Viral/therapy , Prognosis , Radiography, Thoracic , Retrospective Studies , Severe Acute Respiratory Syndrome/epidemiology , Severe Acute Respiratory Syndrome/virology , Tomography, X-Ray Computed , Young Adult
15.
Lancet ; 395(10223): 497-506, 2020 02 15.
Article in English | MEDLINE | ID: covidwho-34

ABSTRACT

BACKGROUND: A recent cluster of pneumonia cases in Wuhan, China, was caused by a novel betacoronavirus, the 2019 novel coronavirus (2019-nCoV). We report the epidemiological, clinical, laboratory, and radiological characteristics and treatment and clinical outcomes of these patients. METHODS: All patients with suspected 2019-nCoV were admitted to a designated hospital in Wuhan. We prospectively collected and analysed data on patients with laboratory-confirmed 2019-nCoV infection by real-time RT-PCR and next-generation sequencing. Data were obtained with standardised data collection forms shared by WHO and the International Severe Acute Respiratory and Emerging Infection Consortium from electronic medical records. Researchers also directly communicated with patients or their families to ascertain epidemiological and symptom data. Outcomes were also compared between patients who had been admitted to the intensive care unit (ICU) and those who had not. FINDINGS: By Jan 2, 2020, 41 admitted hospital patients had been identified as having laboratory-confirmed 2019-nCoV infection. Most of the infected patients were men (30 [73%] of 41); less than half had underlying diseases (13 [32%]), including diabetes (eight [20%]), hypertension (six [15%]), and cardiovascular disease (six [15%]). Median age was 49·0 years (IQR 41·0-58·0). 27 (66%) of 41 patients had been exposed to Huanan seafood market. One family cluster was found. Common symptoms at onset of illness were fever (40 [98%] of 41 patients), cough (31 [76%]), and myalgia or fatigue (18 [44%]); less common symptoms were sputum production (11 [28%] of 39), headache (three [8%] of 38), haemoptysis (two [5%] of 39), and diarrhoea (one [3%] of 38). Dyspnoea developed in 22 (55%) of 40 patients (median time from illness onset to dyspnoea 8·0 days [IQR 5·0-13·0]). 26 (63%) of 41 patients had lymphopenia. All 41 patients had pneumonia with abnormal findings on chest CT. Complications included acute respiratory distress syndrome (12 [29%]), RNAaemia (six [15%]), acute cardiac injury (five [12%]) and secondary infection (four [10%]). 13 (32%) patients were admitted to an ICU and six (15%) died. Compared with non-ICU patients, ICU patients had higher plasma levels of IL2, IL7, IL10, GSCF, IP10, MCP1, MIP1A, and TNFα. INTERPRETATION: The 2019-nCoV infection caused clusters of severe respiratory illness similar to severe acute respiratory syndrome coronavirus and was associated with ICU admission and high mortality. Major gaps in our knowledge of the origin, epidemiology, duration of human transmission, and clinical spectrum of disease need fulfilment by future studies. FUNDING: Ministry of Science and Technology, Chinese Academy of Medical Sciences, National Natural Science Foundation of China, and Beijing Municipal Science and Technology Commission.


Subject(s)
Coronavirus Infections/diagnosis , Coronavirus Infections/epidemiology , Pneumonia, Viral/diagnosis , Pneumonia, Viral/epidemiology , Adult , Age Distribution , Aged , COVID-19 , China/epidemiology , Comorbidity , Coronavirus Infections/complications , Coronavirus Infections/transmission , Cough/epidemiology , Cough/virology , Female , Fever/epidemiology , Fever/virology , Hospitalization/statistics & numerical data , Humans , Intensive Care Units/statistics & numerical data , Male , Middle Aged , Myalgia/epidemiology , Myalgia/virology , Pneumonia, Viral/complications , Pneumonia, Viral/transmission , Prognosis , Radiography, Thoracic , Respiratory Distress Syndrome/epidemiology , Respiratory Distress Syndrome/virology , Time Factors , Tomography, X-Ray Computed , Young Adult
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