After its initial appearance in New York in 1999, West Nile virus spread across the United States in just a few years and is now well established throughout North and South America. Both the mosquitoes that transmit it and ...
Oct 20, 2011
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A new assessment of monkeypox infections in a remote area of the Democratic Republic of the Congo (DRC)—with a strain linked to more-severe disease than what's circulating internationally—shows transmission rates rising ...
Nov 3, 2022
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Much research has been done on the effectiveness of masks to mitigate the spread of infectious diseases. However, standard infection models tend to focus only on disease states, overlooking the dynamics of a complex paradox: ...
Jun 24, 2022
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Early in the pandemic, the term "herd immunity" hit the headlines, along with a polarized discussion on how to achieve it.
Jun 3, 2022
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A study released today indicates that SARS-CoV-2 (COVID-19) spreads extensively in households, with children being a significant source of that spread. Approximately 50% of household members were infected from the first-infected ...
Apr 12, 2022
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The U.S. has now vaccinated more than 208 million people with at least one dose of COVID-19 vaccine. More people are getting vaccinated, but transmission rates in communities are still high, with 94% of U.S. counties classified ...
Sep 22, 2021
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A new study examines factors that underlie COVID-19 outbreaks in schools and suggests that large outbreaks can only be prevented with regular monitoring of everyone in the school setting. Paul Tupper and Caroline Colijn of ...
Jul 8, 2021
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National tensions are erupting over slow coronavirus vaccine rollouts and production delay issues are real, but "no one is safe until everyone is safe," the European chief for the World Health Organization said Thursday.
Jan 28, 2021
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A new Duke University-led analysis shows that during the early months of the COVID pandemic, the average number of new infections caused by an infected individual (i.e. the basic reproduction number, R0) was 4.5, or more ...
Sep 29, 2020
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A team of researchers has been modeling the potential spread of the coronavirus pandemic in Italy. Using their model, they can calculate the number of exposed and highly infectious individuals and the daily isolation efforts ...
Aug 26, 2020
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