Updated clinical practice guidelines on the use of vaccines to prevent seasonal COVID-19, influenza, and respiratory ...

Scientists assumed that one specific immune cell subtype was required for mRNA vaccination to activate the immune system. But ...

New findings reveal mRNA vaccines engage different dendritic cell subtypes to activate anti-tumor immunity, providing ...

The average human has about 1.8 trillion immune cells. These cells patrol the body for bacteria, viruses, cancers, and other ...

BA.3.2 Omicron variant appears in US traveller; scientists track spread, symptoms, and risk of unseen outbreaks across communities ...

We're keeping an eye on new influenza and SARS-CoV-2 viral variants. Here's what we know about those viruses—and your immune ...

Researchers analyzing 761 first-trimester pregnancies found that SARS-CoV-2 was rarely detected in placental tissues, ...

A doctor has warned that vaccinations may be less effective against a new Covid variant with 75 mutations in its structure, which is sweeping around the world. The UK Health Security Agency is ...

A 'highly mutated' COVID-19 variant, which is spreading fast in the US and parts of Europe, has triggered worldwide concern. However, experts said th ...

A new study reveals that aging lungs may play a major role in why flu and COVID can become so dangerous for older adults.