Vaccines for him coronavirus three doses may be needed instead of two for complete immunization.
Anthony Fauci Director of the American Institute of Infectious Diseases (NIAID) and the White House Chief of Staff, as a medical consultant, states in a recent article that he would not be surprised if three doses of a mRNA vaccine (Pfizer the Modern) for the complete immunization of individuals.
Also, taking an extra dose a few months after the initial vaccination can theoretically aid the immune response.
The third dose plan eight months after the second dose of one mRNA vaccine Pfizer the Modern, has relied on the results of studies showing that protection against infection COVID-19 decreases significantly when several months have passed since the second dose.
Our experience with previous vaccines, such as hepatitis B, shows that three doses of the vaccine may be required. While it is possible for everyone to receive a third dose, it should not be called a “boost” dose (booster), because it is not necessary to need other such doses of “aid” again in the future.
The World Health Organization is expected to decide what the vaccination schedule will be, but it is reasonable to assume that the three doses will provide a prolonged immune response and consequently long-term immunity. If well tolerated, the three-dose plan can be established.
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