Pfizer says booster shot of its COVID-19 vaccine extends protection

Pfizer says booster shot of its COVID-19 vaccine extends protection
Pfizer says booster shot of its COVID-19 vaccine extends protection
BREAKING NEWS: Pfizer says booster shot of its COVID-19 vaccine extends protection and is being updated to target Indian 'Delta' variant Pfizer Inc and its German partner BioNTech says their COVID-19 booster shot extends protection against the disease Levels of neutralizing antibodies were five to 10 times higher than after the standard two doses The companies are planning to tailor their third dose to target the Indian 'Delta' variant directly

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Pfizer Inc and its German partner BioNTech announced on Thursday that a booster shot of their COVID-19 vaccine extends protection against the virus.

Clinical trials found that the third dose, given six months after the second should, generated levels of neutralizing antibodies five to 10 times higher than the initial two

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