Novavax shared positive initial results from the Phase I/II clinical study of the company’s proposed combination vaccine for COVID-19.

The world’s first “human challenge” trial in which volunteers were deliberately exposed to the coronavirus has found that symptoms had no effect on how likely an infected person is to pass the disease on to others.

Atara Biotherapeutics, an immunology-focused biopharmaceutical company based in San Francisco, announced a fatal serious adverse event (SAE) with a patient in a clinical trial at Memorial Sloan Kettering Cancer Center.