Saturday 17 April, 2021
Edition: ENG
The Khaama Press News Agency
Posted By: Ahmad Khan
Ahmad Khan
Ahmad Khan

Ahmad Khan has an MD from Kandahar University, Afghanistan. He has a Master’s Degree in Healthcare Quality from George Washington University. Ahmad Khan lives and works in the United States of America.

Pfizer Inc’s PFE.N experimental COVID-19 vaccine projects promising result in phase 3 trial, Nov 10, 2020. [Photo: Quartz] The story of vaccines did not initiate with the first vaccine. It starts with the long history of infectious disease...