Bacterial and viral acute sinus infections typically display similar symptoms. The duration of the infection can help determine if it is viral or bacterial. Many viruses, such as the ones that cause ...

CORRECTED September 30, 2025 // An earlier version of this article incorrectly stated the two drugs which are effective against NDM-CRE. The article has been updated to state aztreonam-avibactam and ...

A synthetic microbiome therapy, tested in mice, holds promise as a new treatment for C. difficile, a notoriously difficult-to-treat bacterial infection, according to a team of researchers. The ...

It can be hard to tell the difference between viral and bacterial tonsillitis from symptoms alone. However, tonsillitis caused by a viral infection may be milder than tonsillitis caused by a bacterial ...

These findings add further support to the current recommendation, which is not to give antibiotics to people with acute bronchitis who are generally healthy and not at high risk for severe illness, ...