When the immune system encounters a virus, it produces antibodies designed to recognize and eliminate the invader. But in ...

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

Prior COVID-19 vaccination did not stop the immune system from mounting a protective response to the delta and omicron strains, though new mutation-specific antibody production dipped slightly, ...

Nearly half of hospitalized COVID-19 patients had a dormant virus flare back to life, and one family of viruses found in the majority of people was tied to lasting symptoms from long COVID.

People may be able to fight off reinfection for at least six months after they recover from COVID-19 thanks to cells that can "remember" the virus, according to research published Monday. Researchers ...

A recent shot of the COVID-19 vaccine doubled survival time in glioblastoma patients who had undergone tumor biopsy or ...

Some people’s immunes systems don’t respond to vaccines as expected. New analysis may help identify these individuals before ...

We are all more susceptible to hype when feeling out of control in a stressful situation. And what we are currently experiencing certainly meets that description. So, it’s time to review what the ...

In fact, respiratory illness severe enough to send people for care is very low in general at the moment. But it’s not ...

New research reveals the Covid-19 vaccine could help boost the survival rate of cancer patients. A US study from last year ...