The U.S. has reported its first death due to bird flu, aka H5N1. How deadly is H5N1? Experts discuss bird flu fatality rate ...

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Tanzania's president said a sample tested positive for the Marburg virus, which has a fatality rate of up to 88 percent if ...

Another measure is the case fatality rate. This is the ratio of deaths to confirmed cases - of those who tested positive for coronavirus, how many have died? President Trump has said: "Our case ...

That would give the virus a 50% case fatality rate, making it extraordinarily lethal – but experts don’t actually think it kills half the people it infects. Because severe cases are more likely to be ...

Yesterday the World Health Organization (WHO) said Tanzania has 1 confirmed case of Marburg and 25 suspected cases all from ...

The patient had been hospitalized with the first human case of highly pathogenic avian influenza (HPAI), or H5N1, in Louisiana.

In this study, the authors estimated that Paxlovid reduced the risk of hospitalization by 39% (95% confidence interval [CI], 36% to 41%), with an absolute risk reduction of 0.9 percentage points. The ...

WHO reported Wednesday that a suspected outbreak of Marburg disease has claimed eight lives in a remote region of northern ...

A person hospitalized with H5N1 bird flu has died, marking the first fatality linked to the currently circulating infection ...