Pregnant women show robust immune response to COVID vaccines, pass antibodies to newborns.

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.

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

Harvard Medical School Professor Dan Barouch said the “complicated pandemic” means more work lies ahead.

Despite worries that a new coronavirus variant may be able to evade vaccines just being distributed, a Harvard public health expert expressed confidence in the same technology that produced the vaccines in record time.

Evidence of a post-Thanksgiving surge should be emerging this week, a Harvard epidemiologist said, advising people who gathered together to get tested or assume they’re infected.

Experts said the complex rollout of a coronavirus vaccine gives the U.S. a chance for a win after the virus gained the upper hand in its initial phase.

Barry Bloom from the Harvard T.H. Chan School of Public Health offers context about the news that two experimental vaccines appear to confer a high level of protection from the coronavirus.

A public campaign to build trust may be needed if a successful vaccine candidate is to be taken by enough Americans to interrupt the COVID pandemic, a Harvard public health expert said.

BIDMC-led research team reports vaccine protection against severe COVID-19-related pneumonia and death.