According to a recent study conducted by researchers at Harvard Medical School and Beth Israel Deaconess Medical Center, 76 percent of the adverse side effects (such as fatigue or headache) that people experienced after receiving their first COVID-19 vaccination were also reported by participants who received a placebo shot.

A new study by researchers at the University College London (UCL) published in Lancet Infectious Diseases finds that although the U.K. variant of SARS-CoV-2 known as B.1.1.7 is more transmissible than the wild-type, original Wuhan strain, it is likely not more deadly.

A new study published in Nature suggests that with a cellular and molecular map of the healthy human heart, experts may be able to better understand what goes wrong in cardiovascular disease.

According to a study published in the journal Science Advances, an international team of researchers led by neuroscientists at Harvard Medical School uncovered which olfactory cell types are most vulnerable to infection by SARS-CoV-2, which causes Covid-19.