UK to infect healthy volunteers in vaccine research trial

This type of research, known as a human challenge study, is used infrequently because some consider the risk involved in infecting otherwise healthy individuals to be unethical.

Worries about a virus vaccine grow and experts are planning extra scrutiny

U.S. health officials are planning an extra layer of safety scrutiny for the first people vaccinated when shots become available.

China joins international COVID-19 vaccine alliance

Some experts point out that without significant efforts to quickly boost manufacturing capacity globally, Chinese vaccine producers may offer the best chance to supply the developing world.

FDA discloses vaccine guidelines blocked by White House

The Food and Drug Administration has laid out its safety standards for developers of COVID-19 vaccines after the White House blocked their formal release.

U.S. experts tell Congress ‘no cutting corners’ as vaccine tests expand

However, President Trump continues to push for a faster timeline, which many experts say is risky and may not allow for adequate testing.

Moderna releases COVID-19 vaccine trial plan as enrollment tops 25,000

Moderna's CEO said it decided to release its full trial plan to create public confidence that it is doing everything it can to ensure a vaccine is safe and effective.

U.S. outlines sweeping plan to provide free COVID-19 vaccines, but it would take months

Although President Trump asserted Tuesday that a vaccine could be 3 to 4 weeks away, officials made it clear widespread availability would take months.

Maine to offer free vaccine clinics for shots missed during pandemic

The state will offer "catch-up" clinics at nine different public health nursing offices, beginning Monday.

Our View: Lawmakers right to tweak Maine’s vaccine law

Voters overwhelmingly support immunization requirements, but diseases can't spread among online-only students.

Follow the Money: See who is donating in Maine’s vaccine referendum