Does the 4th booster protect against the Omicron variant of COVID-19? Conclusions The findings suggest that compared with a third dose of mRNA covid-19 vaccine, a fourth dose improved protection against infection, symptomatic infection, and severe outcomes among long term care residents during an omicron dominant period.
Does Novavax use mRNA? Called Novavax, it’s a more traditional vaccine that uses moth cells and tree bark. Instead of an mRNA vaccine (Pfizer, Moderna) or a viral vector vaccine (Johnson & Johnson), Novavax is a subunit protein vaccine.
Do you still need a vaccine to go on a cruise? The CDC dropped its cruise covid-19 reporting program last month, prompting cruise lines to announce they would loosen testing requirements for vaccinated passengers and — in most cases — allow large numbers of guests who have not been vaccinated, as long as they showed proof of a negative tests.
When will the Omicron COVID-19 vaccine be available?
Officials have signaled that omicron-specific boosters will be available to Americans sometime this fall. The U.S. has purchased more than 170 million total doses of omicron boosters from Pfizer and Moderna.1 day ago