Contact Tracing Assessment of COVID-19 Transmission Dynamics in Taiwan and Risk at Different Exposure Periods Before and After Symptom Onset
Sign Up to like & getrecommendations! Published in 2020 at "JAMA Internal Medicine"
DOI: 10.1001/jamainternmed.2020.2020
Abstract: Key Points Question What is the transmissibility of coronavirus disease 2019 (COVID-19) to close contacts? Findings In this case-ascertained study of 100 cases of confirmed COVID-19 and 2761 close contacts, the overall secondary clinical attack… read more here.
Keywords: contact tracing; transmission; exposure; covid ... See more keywords
SARS-CoV-2 Transmission Risk Among National Basketball Association Players, Staff, and Vendors Exposed to Individuals With Positive Test Results After COVID-19 Recovery During the 2020 Regular and Postseason.
Sign Up to like & getrecommendations! Published in 2021 at "JAMA internal medicine"
DOI: 10.1001/jamainternmed.2021.2114
Abstract: Importance Clinical data are lacking regarding the risk of viral transmission from individuals who have positive reverse-transcription-polymerase chain reaction (RT-PCR) SARS-CoV-2 test results after recovery from COVID-19. Objective To describe case characteristics, including viral dynamics… read more here.
Keywords: persistent positive; transmission; individuals positive; test results ... See more keywords
SARS-CoV-2 Transmission From People Without COVID-19 Symptoms
Sign Up to like & getrecommendations! Published in 2021 at "JAMA Network Open"
DOI: 10.1001/jamanetworkopen.2020.35057
Abstract: Key Points Question What proportion of coronavirus disease 2019 (COVID-19) spread is associated with transmission of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) from persons with no symptoms? Findings In this decision analytical model assessing… read more here.
Keywords: covid symptoms; transmission; transmission people; sars cov ... See more keywords
Risk Factors Associated With COVID-19 Transmission Among US Air Force Trainees in a Congregant Setting
Sign Up to like & getrecommendations! Published in 2021 at "JAMA Network Open"
DOI: 10.1001/jamanetworkopen.2021.0202
Abstract: Key Points Question In congregant settings with the introduction of coronavirus disease 2019 (COVID-19), what clinical and laboratory findings are associated with an outbreak? Findings In this cohort study of 10 613 US Air Force basic… read more here.
Keywords: transmission; risk; air force; risk factors ... See more keywords
Analysis of COVID-19 Risk Following a Ring Vaccination Intervention to Address SARS-CoV-2 Alpha Variant Transmission in Montreal, Canada
Sign Up to like & getrecommendations! Published in 2022 at "JAMA Network Open"
DOI: 10.1001/jamanetworkopen.2021.47042
Abstract: Key Points Question Is ring vaccination targeting contacts of confirmed cases and persons who are in close contact with these contacts useful for controlling local SARS-CoV-2 transmission following the introduction of a new variant? Findings… read more here.
Keywords: sars cov; vaccination; transmission; cov alpha ... See more keywords
Model-Estimated Association Between Simulated US Elementary School–Related SARS-CoV-2 Transmission, Mitigation Interventions, and Vaccine Coverage Across Local Incidence Levels
Sign Up to like & getrecommendations! Published in 2022 at "JAMA Network Open"
DOI: 10.1001/jamanetworkopen.2021.47827
Abstract: Key Points Question How is COVID-19 incidence in elementary school communities associated with in-school mitigation (eg, masks), vaccination, and local incidence, and when should decision-makers add or remove mitigation measures? Findings In this decision analytic… read more here.
Keywords: elementary school; incidence; transmission; local incidence ... See more keywords
Association of COVID-19 Quarantine Duration and Postquarantine Transmission Risk in 4 University Cohorts
Sign Up to like & getrecommendations! Published in 2022 at "JAMA Network Open"
DOI: 10.1001/jamanetworkopen.2022.0088
Abstract: Key Points Question What is the risk of SARS-CoV-2 transmission from individuals leaving test-based quarantines of various durations? Findings In this cohort study of 301 quarantined university students and staff who tested positive for COVID-19,… read more here.
Keywords: university; transmission; risk; postquarantine transmission ... See more keywords
Transmission and Infectious SARS-CoV-2 Shedding Kinetics in Vaccinated and Unvaccinated Individuals
Sign Up to like & getrecommendations! Published in 2022 at "JAMA Network Open"
DOI: 10.1001/jamanetworkopen.2022.13606
Abstract: Key Points Question Do individuals fully vaccinated against COVID-19 have a shorter duration of viable SARS-CoV-2 viral shedding and a lower rate of secondary transmission than in partially vaccinated or unvaccinated individuals? Findings In this… read more here.
Keywords: unvaccinated individuals; vaccinated unvaccinated; shorter duration; fully vaccinated ... See more keywords
In-Person Medical Conferences During the COVID-19 Pandemic.
Sign Up to like & getrecommendations! Published in 2022 at "JAMA network open"
DOI: 10.1001/jamanetworkopen.2022.30305
Abstract: In 2020, many business meetings and academic conferences were canceled or became virtual because of uncertainties regarding SARS-CoV-2 transmission and strict public health measures. In fact, rates of SARS-CoV-2 transmission at large indoor gatherings have… read more here.
Keywords: medical conferences; transmission; person; person medical ... See more keywords
Estimated Health Outcomes and Costs of COVID-19 Prophylaxis With Monoclonal Antibodies Among Unvaccinated Household Contacts in the US.
Sign Up to like & getrecommendations! Published in 2022 at "JAMA network open"
DOI: 10.1001/jamanetworkopen.2022.8632
Abstract: Importance The COVID-19 pandemic has led to more than 900 000 deaths in the US and continues to disrupt lives even as effective vaccines are available. Objective To estimate the health outcomes and net cost of… read more here.
Keywords: transmission; health; transmission scenario; household ... See more keywords
Transmission Characteristics and Inactivated Vaccine Effectiveness Against Transmission of SARS-CoV-2 Omicron BA.5 Variants in Urumqi, China
Sign Up to like & getrecommendations! Published in 2023 at "JAMA Network Open"
DOI: 10.1001/jamanetworkopen.2023.5755
Abstract: This cohort study investigates transmission characteristics and vaccine effectiveness against transmission of SARS-CoV-2 Omicron BA.5 variants in China. read more here.
Keywords: effectiveness transmission; vaccine effectiveness; transmission characteristics; transmission ... See more keywords