Facing new variants of SARS-CoV-2, some vaccines may offer more robust protection or be more easily redesigned to target them.

Johnson & Johnson’s vaccine is less effective at preventing COVID-19 than other approved vaccines are, but experts say it could still be an important tool in curbing the pandemic.

Long before Moderna’s and Pfizer’s COVID-19 shots, scientists had been considering the use of genetically encoded vaccines in the fight against infectious diseases, cancer, and more.

A recent study elucidates some of the changes that occur in the body after inoculation with a tuberculosis vaccine.

As researchers test existing vaccines for nonspecific protection against COVID-19, immunologists are working to understand how some inoculations protect against pathogens they weren’t designed to fend off.

The company voluntarily paused its studies, including one in Phase 3, after an unexplained illness in a patient.

Almost 40 scientists have signed an open letter, citing odd patterns in the data and a lack of transparency after authors withheld the full data.

How llamas and superglue might lead to antiviral therapies

The medical scientist made important contributions to polio treatment and Australian environmental policy—despite substantial resistance.