For at least 10 months after a Covid-19 infection, your immune system can provide good protection against symptomatic illness the next time around, a new study found, and the risk of severe illness is ...

Bacterial co-infection is a major risk factor for death, intensive care unit admission and mechanical ventilation, according to a multi-center, retrospective cohort study published in the journal ...

Now in the midst of yet another COVID-19 surge in the U.S., some people may find themselves recovering from a coronavirus infection or even reinfection. As the virus mutates and your protection from a ...

A new study found a high percentage of COVID-19 deaths may have been caused by a secondary pneumonia infection. The study, published in The Journal of Clinical Investigation, used machine learning to ...