A $25 billion investment in global vaccines would bring a five-to-one economic return and save many lives, according to Rebecca Weintraub, an HMS global health expert.

A Harvard Medical School study shows how SARS-CoV-2 mutations allow the virus to evade the defenses of patients with compromised immune systems.

A new trial seeks to test whether cheap rapid tests given three times a week can keep the workplace safe despite the coronavirus pandemic.

Harvard researchers looked at Katrina’s impact on children and how the lessons learned there could be applied to the COVID pandemic.

With 500,000 deaths due to COVID, the U.S. has become a nation in mourning, often alone, also dealing with the trauma of the pandemic’s other effects, a combination that worries mental health experts.

Can the current crop of vaccines get us to herd immunity even if variants become widespread? A Harvard immunologist says yes.

A Harvard epidemiologist said the forces of seasonality, slowly rising immunity, and shifting personal behavior will likely create a viral variant landscape with regional spikes in the months to come rather than a uniform national wave.

The Star-Friedman Challenge for Scientific Research is ready to provide seed funding for high-risk, high-impact work in the life, physical, and social sciences. Harvard researchers have until March 1 to apply for the funding.

As experts worry the COVID pandemic is triggering a loneliness epidemic, new Harvard research suggests some of the hardest hit are older teens and young adults.

Harvard scientists say airports are employing a layered approach to make air travel safer for those who must fly.