A new study suggests the true early toll of COVID-19 in the U.S. was significantly higher than official counts.

A new study says the early U.S. COVID-19 death toll is much higher than official counts, and that there were disparities in ...

A major clinical trial has delivered an unexpected twist in the search for ways to fight COVID-19 and its lingering effects. Researchers at Mass General Brigham found that taking high doses of vitamin ...

A study published Wednesday shows that the early U.S. death toll during the COVID-19 pandemic was higher than previously ...

A new Covid-19 subvariant, BA.3.2, nicknamed Cicada, is being tracked in the US and other countries. Experts say it carries ...

Severe COVID-19 and influenza infections prime the lungs for cancer and can accelerate the disease’s development, but vaccination heads off those harmful effects, new research indicates.

Azithromycin was used early in the pandemic to treat COVID-19 in patients and has continued to be used to fight respiratory ...

Even a mild case of COVID-19 or the flu can impact the body long after the fever and cough fade, according to new Tulane University research that may help explain why some people struggle to feel ...

A study of more than 6,500 mothers found that COVID-19 vaccination during pregnancy significantly lowered the risk of preeclampsia, a dangerous blood-pressure disorder. When you purchase through links ...

In a recent study published in the journal Communications Medicine, researchers investigated whether coronavirus disease 2019 (COVID-19) vaccination is associated with childbirth in Sweden using ...