A new study has found that Covid-19 can reactivate dormant viruses in nearly half of hospitalized patients, even those with ...

COVID-19 was linked to the reactivation of several dormant viruses in unvaccinated people, a new study has found. One of the ...

Previous COVID-19 or flu infection does not guarantee immunity; waning antibodies, viral evolution and weaker mucosal ...

All new shots target the XFG variant, and are approved for adults 65 and older. Younger people in high-risk groups are also ...

Updated COVID-19 vaccines targeting the XFG variant have been approved by the FDA for older adults and others at high risk.

() - COVID-19 activity rises during the summer in California, and officials are advising people to take steps to protect ...

Doctors are seeing more COVID-19 cases over the summer, including patients with gastrointestinal symptoms such as nausea, ...

Annual deaths from COVID-19 continue to top 30,000 in Japan, even three years since the seriousness of the infectious disease was downgraded to the level of seasonal influenza. Elderly people are most ...

Health officials are tracking elevated virus incidence.

A hantavirus outbreak on MV Hondius cruise ship caused three deaths and five suspected cases. Seven cases reported including two confirmed, one critically ill, and three mild symptoms. Hantavirus ...

A known philanthropist, Dolly Parton's support has been credited with getting COVID-19 vaccines to more people, sooner.