Which is the best covid vaccine

 Covid vaccine inculation has started in the UK,US,Canada and expected to start soon in other country.In india,it will given to the people who has above 45 year age from 1 April. There are a moderna,pfizer and ocford-Astrazeneca vaccine.

Which is the best ?

Moderna vaccine provides 94 percentage efficacy to preventing the symptomatic COVID and asymptomatic transmission.

Pfizer has a efficacy rate about 92 percentage and oxford-Astrazeneca 70 percentage. All these vaccine require two doses.Moderna cost around $ 16 per dose,pfizer is a $20 and oxford-Astrazeneca$5-$6.


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