New research shows about one in eight of all cancer cases are linked to common infections like HPV, Hepatitis B and C and H. pylori. NBC News medical contributor Dr. Natalie Azar joins TODAY to share ...

The Centers for Disease Control and Prevention has provided a major update on the first human case of bird flu in the US with ...

Individuals with compromised immunity and persistent COVID-19 infections can harbor drug-resistant variants of the SARS-CoV-2 virus, which have the potential to spread to the general population found ...

Genetic analysis of a bird flu virus detected in a person in Missouri who didn’t previously have contact with animals offers ...

A new report says that 13 percent of cancers are linked to bacteria or viruses. Vaccines and treatments offer powerful ...

Two mice collected from a campground trail at San Onofre State Beach as part of ongoing surveillance to protect public health ...

The communication must be working. In this century, thankfully, San Diego has seen only one human with a locally acquired hantavirus infection, and that was in 2004. If only we had known more, and ...