Pfizer's COVID-19 vaccine starts to work just 10 days after 1st dose

[admin]

Overall, the vaccine was 52% effective after the first dose and 95% effective after the second dose.

Pfizer's COVID-19 vaccine starts to work just 10 days after 1st dose : Read more

 

[jbundy48]

Why is it taking so long for the Pfizer vaccine to be made available in the USA? The UK is heading into their 3rd day already. Is the FDA the main roadblock?