The effectiveness of vaccinations against new variants would also dictate when, where, and how often additional shots are needed.
It is expected that Pfizer will only be able to deliver 2.9 million doses in the first few days and only up to 6.4 million doses by 19 December, according to Operation Warp Speed, the government’s vaccine effort.
Resistance to Covid-19 infection remains for at least five months, investigators reported — and probably lengthier than that.
Dr. Anthony Fauci elaborated on his reviews to Sen. Rand Paul Wednesday night, saying the U.S. features a “long way to go” to achieve herd resistance against Covid-19.
The measles outbreak has hit people staying in 22 states, including California, where students at two Los Angeles colleges are coping with quarantines. Now doctors are stating that if perhaps the individual was born between 1957 and 1989, the vaccination the individual had might not guarantee protection against the measles. Dr. Daniel Lichtmann, aContinue reading “As an adult you may need one more measles vaccine”