So far the vaccine from Pfizer has been tested on 43,500 people in six countries, with no safety concerns raised.
US pharmaceutical company Pfizer announced on Monday that the COVID-19 vaccine it’s been developing is 90% effective in people who are not known to already have had the virus.
The company, together with partner BioNTech, has conducted human trials on 43,500 people in six countries, with no safety concerns raised. It said in a press release that it plans to apply for emergency approval from the FDA by the end of the month to use the vaccine.
Pfizer expects to the final data to meet safety milestones by the third week in November, when it will be able to apply for emergency use authorization. If approved, the vaccine would be given to people in two shots, 21 days apart.