asymptomatic

Virus and antibodies during asymptomatic SARS-CoV-2 infections

Despite recent proclamations to the contrary by WHO, there is good evidence that individuals who are asymptomatically infected with SARS-CoV-2 can efficiently spread infection to others. The levels of virus and the immune response in asymptomatically infected individuals has not been well studied to understand the infection events taking place. A recent small study provides …

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TWiV 482: Don’t EVEome without antibody expressed

The TWiV Masters discuss serologic evidence of Ebolavirus infection in a population with no outbreaks, and the set of endogenous viral elements in the mosquito genome. <span data-mce-type=”bookmark” style=”display: inline-block; width: 0px; overflow: hidden; line-height: 0;” class=”mce_SELRES_start”></span>&lt;span data-mce-type=”bookmark” style=”display: inline-block; width: 0px; overflow: hidden; line-height: 0;” class=”mce_SELRES_start”&gt;&lt;/span&gt;&amp;lt;span data-mce-type=”bookmark” style=”display: inline-block; width: 0px; overflow: hidden; line-height: …

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TWiV 309: Ebola email

On episode #309 of the science show This Week in Virology, the TWiVocytes answer questions about Ebola virus, including mode of transmission, quarantine, incubation period, immunity, and much more. You can find TWiV #309 at www.microbe.tv/twiv.

Incidence of asymptomatic human influenza A(H5N1) virus infection

When virologists Fouchier and Kawaoka were isolating avian influenza H5N1 viruses that could transmit among ferrets by aerosol, there was consternation from some quarters that such viruses might escape from the laboratory and cause a pandemic in humans. Part of the fear came from the fact that the case fatality ratio for human infections with …

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