Infection

COVID-19 is much more deadly than bacterial or viral pneumonia, causing double the mortality rate in older, hospitalized adults, investigators say.

Four deaths this summer at a Manhattan nursing home have put Legionnaire’s disease in the spotlight again.

The average incubation period of SARS-CoV-2 has gradually shortened, from 5 days to 3.4. Determining incubation periods can help to pinpoint effective patient isolation periods, investigators say.

A fourth dose of Pfizer’s COVID-19 vaccine cuts the risk of infection and severe illness in older adults when compared to a third dose given months earlier, a new study from Israel finds.

Although extraction within six days is linked to lower mortality, hardware not removed in 78.9 percent of patients with infected devices

One year after hospital discharge, 9% of study participants who survived severe disease had dementia and 26% had mild cognitive impairment — a higher proportion than their uninfected peers, investigators...

A two-dose course of the Pfizer-BioNTech COVID-19 vaccine may not be enough to effectively combat the new omicron coronavirus variant, but a booster shot may do the trick, two early lab studies suggest....

The inclusion of patients from underrepresented minority groups provides much-needed evidence about the effectiveness of remdesivir in these groups, the authors say.

Brain training can boost daily function in seniors with range of cognitive abilities … Increase in infections may indicate future cancer diagnosis …Antiviral remdesivir prevents disease progression...

Clinicians should tread carefully when treating elderly patients with two drugs newly cleared for COVID-19 patients, says a top industry doctor.