![FILE PHOTO: Vials with a sticker reading, "COVID-19 / Coronavirus vaccine / Injection only" and a medical syringe are seen in front of a displayed Pfizer logo in this illustration taken October 31, 2020. REUTERS/Dado Ruvic/File Photo](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/MYVRUYZXFVTKLIJK62LQWDPUHM.jpg?smart=true&auth=f804e1d8b33b787af3b938340fc853351e8a088e8e55b70a4604b9df42801281&width=400&height=225)
Pfizer is one of the drug companies to have produced a coronavirus vaccine it says is more than 90 per cent effective. Reuters
Pfizer is one of the drug companies to have produced a coronavirus vaccine it says is more than 90 per cent effective. Reuters
Expert: 20 million Americans will recieve Covid-19 vaccination by 2021
US Food and Drug Administration says vaccines will be sent to immunisation sites within 24 hours