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1.
Physician Leadership Journal ; 9(3):16-22, 2022.
Article in English | ProQuest Central | ID: covidwho-1989567

ABSTRACT

Many of these required skills exist outside of what is traditionally taught in medical school.1 One leadership paradigm, the use of high-reliability organization (HRO) principles, is increasingly applied in several areas of medicine.2-5 The leadership of Navy Medicine found applying the principles and practices of an HRO to be of particular value in responding to the challenges of the current viral crisis. While many positive actions were taken in response to the outbreak and a great many medical personnel worked tirelessly to ensure the well-being of the crew and return the ship to sea, the ship did not leave Guam to continue on its mission until June 4, a little more than two months after the first case;nearly a quarter of the ship's personnel had contracted COVID-19. Deference to expertise was also demonstrated by bringing in public health professionals with the Navy and Marine Corps Public Health Center to work with the crew and the various Navy entities to determine which cleaning solutions worked best aboard the ship, how to reconfigure duty sections to reduce cross-contamination, and establish ways to reduce other disease vectors that could lead to reinfection of the crew based on available information at the time. Additionally, an outbreak investigation was conducted in coordination with the Centers for Disease Control and Prevention (CDC) to better understand transmission and characteristics of the disease.7 This study, published in the CDC Morbidity and Mortality Weekly Report, was one of the first scientific studies to identify the role that asymptomatic and pre-symptomatic cases played in disease transmission as well as the loss of taste and smell as additional symptoms not previously described.

2.
N Engl J Med ; 383(25): 2417-2426, 2020 12 17.
Article in English | MEDLINE | ID: covidwho-919365

ABSTRACT

BACKGROUND: An outbreak of coronavirus disease 2019 (Covid-19) occurred on the U.S.S. Theodore Roosevelt, a nuclear-powered aircraft carrier with a crew of 4779 personnel. METHODS: We obtained clinical and demographic data for all crew members, including results of testing by real-time reverse-transcriptase polymerase chain reaction (rRT-PCR). All crew members were followed up for a minimum of 10 weeks, regardless of test results or the absence of symptoms. RESULTS: The crew was predominantly young (mean age, 27 years) and was in general good health, meeting U.S. Navy standards for sea duty. Over the course of the outbreak, 1271 crew members (26.6% of the crew) tested positive for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection by rRT-PCR testing, and more than 1000 infections were identified within 5 weeks after the first laboratory-confirmed infection. An additional 60 crew members had suspected Covid-19 (i.e., illness that met Council of State and Territorial Epidemiologists clinical criteria for Covid-19 without a positive test result). Among the crew members with laboratory-confirmed infection, 76.9% (978 of 1271) had no symptoms at the time that they tested positive and 55.0% had symptoms develop at any time during the clinical course. Among the 1331 crew members with suspected or confirmed Covid-19, 23 (1.7%) were hospitalized, 4 (0.3%) received intensive care, and 1 died. Crew members who worked in confined spaces appeared more likely to become infected. CONCLUSIONS: SARS-CoV-2 spread quickly among the crew of the U.S.S. Theodore Roosevelt. Transmission was facilitated by close-quarters conditions and by asymptomatic and presymptomatic infected crew members. Nearly half of those who tested positive for the virus never had symptoms.


Subject(s)
COVID-19/epidemiology , Disease Outbreaks , Disease Transmission, Infectious/statistics & numerical data , Military Personnel , SARS-CoV-2/isolation & purification , Ships , Adult , Aircraft , COVID-19/diagnosis , COVID-19/mortality , COVID-19/transmission , COVID-19 Testing , Comorbidity , Female , Hospitalization/statistics & numerical data , Humans , Male , Odds Ratio , Reverse Transcriptase Polymerase Chain Reaction , United States
3.
MMWR Morb Mortal Wkly Rep ; 69(23): 714-721, 2020 Jun 12.
Article in English | MEDLINE | ID: covidwho-589204

ABSTRACT

Compared with the volume of data on coronavirus disease 2019 (COVID-19) outbreaks among older adults, relatively few data are available concerning COVID-19 in younger, healthy persons in the United States (1,2). In late March 2020, the aircraft carrier USS Theodore Roosevelt arrived at port in Guam after numerous U.S. service members onboard developed COVID-19. In April, the U.S. Navy and CDC investigated this outbreak, and the demographic, epidemiologic, and laboratory findings among a convenience sample of 382 service members serving aboard the aircraft carrier are reported in this study. The outbreak was characterized by widespread transmission with relatively mild symptoms and asymptomatic infection among this sample of mostly young, healthy adults with close, congregate exposures. Service members who reported taking preventive measures had a lower infection rate than did those who did not report taking these measures (e.g., wearing a face covering, 55.8% versus 80.8%; avoiding common areas, 53.8% versus 67.5%; and observing social distancing, 54.7% versus 70.0%, respectively). The presence of neutralizing antibodies, which represent antibodies that inhibit SARS-CoV-2, among the majority (59.2%) of those with antibody responses is a promising indicator of at least short-term immunity. This report improves the understanding of COVID-19 in the U.S. military and among young adults in congregate settings and reinforces the importance of preventive measures to lower risk for infection in similar environments.


Subject(s)
Aircraft , Coronavirus Infections/epidemiology , Coronavirus Infections/immunology , Disease Outbreaks , Military Personnel/statistics & numerical data , Pneumonia, Viral/epidemiology , Pneumonia, Viral/immunology , Antibodies, Neutralizing/blood , Antibodies, Viral/blood , Betacoronavirus/immunology , COVID-19 , COVID-19 Testing , Clinical Laboratory Techniques , Coronavirus Infections/diagnosis , Female , Humans , Male , Pandemics , SARS-CoV-2 , United States/epidemiology , Young Adult
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