- Moderna to Test Coronavirus Vaccine Booster Shot in New Clinical Trial Motley Fool
- How effective is a single vaccine dose against Covid-19? BBC News
- Moderna looks to test Covid-19 booster shots a year after initial vaccination CNBC
- Can I drink alcohol before I get vaccinated? How long does the vaccine work for? WDIV ClickOnDetroit
- Companies scramble to expand coronavirus vaccine supply The Washington Post
- View Full Coverage on Google News