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Getting the second dose gives you full immunity after another two weeks. Both the Pfizer-BioNTech and Moderna vaccine are about 95 percent effective after that second dose.
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Older people who receive their second shot of Pfizer’s coronavirus vaccine 12 weeks after the first jab produce three-and-a-half times more antibodies than those who wait three weeks, according ...
In Com-COV2, the first dose is the Oxford–AstraZeneca vaccine or the Pfizer vaccine, and the second dose is the Moderna vaccine, the Novavax vaccine, or a homologous vaccine equal to the first dose, with an interval of 56 or 84 days between doses. [333]
The EMA clarified that the second dose should be administered three weeks after the first dose. [195] Cumulative incidence curves for symptomatic COVID‑19 infections after the first dose of the Pfizer–BioNTech vaccine (tozinameran) or placebo in a double-blind clinical trial (red: placebo; blue: tozinameran) [196]
Two of the first approved vaccines, Pfizer and BioNTech's Pfizer-BioNTech COVID‑19 vaccine and Moderna's mRNA-1273, must be kept cold during transport. Keeping the temperatures sufficiently low is accomplished with specially-designed containers [ a ] and dry ice , but dry ice is only allowed in limited quantities on airplanes as the gases ...
Walgreens tried to call its own shots when it came to second doses of the Pfizer’s COVID vaccine, making people wait an extra week beyond the recommended 14 days.
National regulatory authorities have granted full or emergency use authorizations for 40 COVID-19 vaccines.. Ten vaccines have been approved for emergency or full use by at least one stringent regulatory authority recognized by the World Health Organization (WHO): Pfizer–BioNTech, Oxford–AstraZeneca, Sinopharm BIBP, Moderna, Janssen, CoronaVac, Covaxin, Novavax, Convidecia, and Sanofi ...