Moderna shares rose 14.38% in Thursday morning trading following positive Phase 1 results for its mRNA hantavirus vaccine, which was well-tolerated and produced strong immune responses at all dose levels—an important milestone since no FDA-approved hantavirus vaccine currently exists.

The development and rollout of the Covid vaccine was an extraordinary feat that saved an estimated 450,000 lives in England alone, but significant work remains to rebuild public trust.

Merck will lay off about 150 employees across its facility in North Carolina that manufactures its human papillomavirus vaccine, Gardasil, according to a notice filed in the state’s database this week.

A world-first clinical trial will test personalised cancer vaccines for children with advanced or treatment-resistant brain tumours, supported by a A$2.578 million investment from the Australian Government.

Training the brain to boost positive expectations may help strengthen the immune system.

Five human heads were discovered on a tourist beach in Ecuador on Sunday, in what authorities say is a warning to gang members. The heads were tied to wooden posts on the popular whale-watching beach, alongside a board threatening local gangs involved in extortion, known as “vaccine cards.”

Sanofi (SNY) will acquire U.S. vaccine maker Dynavax Technologies (DVAX) for approximately $2.2 billion (1.9 billion euros), the French pharmaceutical company announced Wednesday.