Result for
Topic: Transmission
March 23, 2020
Coronaviruses and immunosuppressed patients. The facts during the third pandemic
This article suggests that immunosuppressed adults and children are not at increased risk of severe complications from COVID-19 compared to the general population. D’Antiga (Mar 20, 2020). Coronaviruses and immunosuppressed patients. The facts during the third pandemic. Liver Transplantation. https://doi.org/10.1002/lt.25756
Public Health Responses to COVID-19 Outbreaks on Cruise Ships —Worldwide, February–March 2020
Outbreaks of COVID-19 on cruise ships pose a risk for rapid spread of disease beyond the voyage. Transmission occurred from crew members and passengers, and from ship to ship by crew members. Aggressive efforts are required to contain spread. Everyone should defer all cruise travel worldwide during this outbreak. Moriarty et al. (Mar 23, 2020)….
March 20, 2020
A framework for identifying regional outbreak and spread of COVID-19 from one-minute population-wide surveys
Rossman et al developed a short survey based on symptoms associated with COVID-19, with the primary purpose of locating potential geographic areas in which SARS-CoV-2 is spreading throughout Israel. Preliminary results reveal different rates of symptoms in different cities despite close geographical proximity. This survey may have several potential applications – (1) help predict future…
Analysis of COVID-19 infection spread in Japan based on stochastic transition model
A stochastic transmission model used to predict the spread of COVID-19 and assess the effectiveness of transmission control measures in crowded areas in Japan found that the growth of infected people stagnated if time spent in crowded areas was less than 4 hours and started to decrease if cut to 2 hours. Karako et al….
Alert for non-respiratory symptoms of Coronavirus Disease 2019 patients in epidemic period: A case report of familial cluster with three asymptomatic COVID-19 patients
Lu et al use results from a single family cluster of asymptomatic COVID-19 patients in China to infer that comprehensive and rigorous epidemiological investigation in combination with multiple detection methods can help in the detection of hidden asymptomatic carriers. Lu et al. (March 19, 2020). Alert for non-respiratory symptoms of Coronavirus Disease 2019 patients in…
March 19, 2020
Estimating unobserved SARS-CoV-2 infections in the United States
Using a simulation model informed by reported cases and deaths, the authors estimate that tens of thousands of people (median of 22,876 people) were infected by the time a national emergency was declared in the US on March 13th. Results from the model suggest that fewer than 10% of locally acquired symptomatic infections in the…
The difference in the incubation period of 2019 novel coronavirus (SARS-CoV-2) infection between travelers to Hubei and non-travelers: The need of a longer quarantine period
Based on 175 confirmed cases reported in China between Jan 20 and Feb 12, Leung found a significant difference in the length of the incubation period of COVID-19 among travelers (10.3 – 13.3 days) and non-travelers (14.6 – 17.1 days) to Hubei, which suggests the need to extend quarantine periods to 3 weeks to account…
March 18, 2020
The effects of border control and quarantine measures on global spread of COVID-19
By developing a model that could provide a risk assessment of the global spread of COVID-19, the study demonstrates the importance of lowering the incidence at source regions and implementing strict control measures in the susceptible regions. Hossain et al. (March 17, 2020). The effects of border control and quarantine measures on global spread of…
March 17, 2020
Investigation of three clusters of COVID-19 in Singapore: implications for surveillance and response measures
Pung et al describe the measures used to identify and investigate the first 3 clusters of COVID-19 in Singapore and emphasize the importance for other countries to conduct active case-finding among close contacts of cases to prevent clusters from spreading. Pung et al. (Mar 16, 2020). Investigation of three clusters of COVID-19 in Singapore: implications…
Initial Investigation of Transmission of COVID-19 Among Crew Members During Quarantine of a Cruise Ship — Yokohama, Japan, February 2020
This MMWR article underscores the need for swift epidemiologic investigation as soon as a COVID-19 case is detected in an area or group where a large number of persons gather in a closed or crowded setting (e.g., a cruise ship, music venue, health care setting, sports arena, etc). Close contacts of confirmed COVID-19 cases should…
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