NACI backs 3rd dose of COVID-19 vaccine for immunocompromised

Some immunocompromised individuals may require an additional dose of a COVID-19 vaccine following a one-or-two-dose primary series, the Public Health Agency of Canada (PHAC) said Friday. Based on new recommendation … Read More

COVID-19 vaccine booster strategy risks emergence of new variants, WHO head warns

The head of the World Health Organization on Monday called for a two-month moratorium on administering booster shots of COVID-19 vaccines as a means of reducing global vaccine inequality and … Read More

3rd dose of established COVID-19 vaccine best way to fight Delta variant: BioNTech

BioNTech said that repeat shots of its COVID-19 vaccine, of which more than a billion doses have now been supplied worldwide, was a better strategy than tailoring the product it … Read More

COVID-19 vaccine protection likely to dim over time: U.K. advisers

The protection that COVID-19 vaccines give against coronavirus infection, and potentially severe disease, is highly likely to wane over time so vaccine campaigns will continue for years to come, scientists … Read More

Fully vaccinated Americans do not need COVID-19 booster shots right now: Fauci

The top U.S. infectious diseases expert said Sunday “it is entirely conceivable, maybe likely” that Americans will need a booster dose of the COVID-19 vaccine in the coming months, but … Read More