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1.
Infect Control Hosp Epidemiol ; : 1-3, 2021 Dec 02.
Article in English | MEDLINE | ID: covidwho-1984322

ABSTRACT

The surface environment in rooms of coronavirus disease 2019 (COVID-19) patients may be persistently contaminated despite disinfection. A continuously active disinfectant demonstrated excellent sustained antiviral activity following a 48-hour period of wear and abrasion exposures with reinoculations. Reductions of >4-log10 were achieved within a 1-minute contact time for severe acute respiratory coronavirus virus 2 (SARS-CoV-2) and the human coronavirus, 229E.

2.
Clin Infect Dis ; 74(2): 339-342, 2022 01 29.
Article in English | MEDLINE | ID: covidwho-1722257

ABSTRACT

We report 2 episodes of potential SARS-CoV-2 transmission from infected van drivers to passengers despite masking and physical distancing. Whole-genome sequencing confirmed relatedness of driver and passenger SARS-CoV-2. With the heater operating, fluorescent microspheres were transported by airflow >3 meters from the front to the back of the van.


Subject(s)
COVID-19 , SARS-CoV-2 , Humans , Physical Distancing , Whole Genome Sequencing
3.
Infect Control Hosp Epidemiol ; : 1-3, 2021 Dec 02.
Article in English | MEDLINE | ID: covidwho-1545553

ABSTRACT

The surface environment in rooms of coronavirus disease 2019 (COVID-19) patients may be persistently contaminated despite disinfection. A continuously active disinfectant demonstrated excellent sustained antiviral activity following a 48-hour period of wear and abrasion exposures with reinoculations. Reductions of >4-log10 were achieved within a 1-minute contact time for severe acute respiratory coronavirus virus 2 (SARS-CoV-2) and the human coronavirus, 229E.

4.
Infect Control Hosp Epidemiol ; : 1-3, 2021 Oct 06.
Article in English | MEDLINE | ID: covidwho-1454696

ABSTRACT

Respiratory viruses can be transmitted by fomite contact, but no data currently exist on the transfer of enveloped viruses. The transfer efficiency of human coronavirus from various hard surfaces ranged from 0.46% to 49.0%. This information can be used to model the fomite transmission of enveloped viruses.

5.
Infect Dis Clin North Am ; 35(3): 575-607, 2021 09.
Article in English | MEDLINE | ID: covidwho-1340079

ABSTRACT

All invasive procedures involve contact by a medical device or surgical instrument with a patient's sterile tissue or mucous membranes. The level of disinfection is dependent on the intended use of the object: critical, semicritical, or noncritical. New issues and practices can affect the risk of infection associated with devices and surfaces. Endoscopes continue to represent a nosocomial hazard. The contaminated surface environment in hospital rooms is important in the transmission of health care-associated pathogens. Thoroughness of cleaning must be monitored and no-touch room decontamination technology should be. In general, emerging pathogens are susceptible to currently available disinfectants.


Subject(s)
Cross Infection/prevention & control , Delivery of Health Care/organization & administration , Disinfectants , Disinfection/methods , Equipment Contamination/prevention & control , Sterilization/methods , Endoscopes , Equipment and Supplies, Hospital , Hospitals , Humans , Temperature
6.
American Journal of Infection Control ; 49(6):S3-S4, 2021.
Article in English | PMC | ID: covidwho-1286244
7.
Clin Infect Dis ; 72(11): 2052-2061, 2021 06 01.
Article in English | MEDLINE | ID: covidwho-1249287

ABSTRACT

The healthcare environment serves as one of the possible routes of transmission of epidemiologically important pathogens, but the role of the contaminated environment on severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) transmission remains unclear. We reviewed survival, contamination, and transmission of SARS-CoV-2 via environmental surfaces and shared medical devices as well as environmental disinfection of SARS-CoV-2 in healthcare settings. Coronaviruses, including SARS-CoV-2, have been demonstrated to survive for hours to days on environmental surfaces depending on experimental conditions. The healthcare environment is frequently contaminated with SARS-CoV-2 RNA in most studies but without evidence of viable virus. Although direct exposure to respiratory droplets is the main transmission route of SARS-CoV-2, the contaminated healthcare environment can potentially result in transmission of SARS-CoV-2 as described with other coronaviruses such as SARS and Middle East respiratory syndrome coronaviruses. It is important to improve thoroughness of cleaning/disinfection practices in healthcare facilities and select effective disinfectants to decontaminate inanimate surfaces and shared patient care items.


Subject(s)
COVID-19 , Middle East Respiratory Syndrome Coronavirus , Delivery of Health Care , Humans , RNA, Viral , SARS-CoV-2
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