Pakistani health professionals have expressed serious concern about the increasing number of Covid-19 reinfections in various medical facilities across the country, saying that several patients were...
The Oxford University team at the Jenner Institute, which developed the AstraZeneca vaccine (Covid-19) for coronavirus disease, will begin a phase 3 human trial of promising...
According to experts working in the field of vaccine development, it is unlikely that effective vaccines will be generally available by the fall of 2021. Researchers...
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