Coronavirus has killed more than 2.47 million people and infected over 111.9 million globally. Here are virus-related developments for February 22:
Coronavirus has killed more than 2.42M people and infected more than 109.89M globally. Here are the coronavirus-related developments for February 16:
Vaccine efficacy may be reduced by the latest mutation, dubbed E484K.
The drugmaker reports nearly 96 percent efficacy against original SARS-CoV-2 and says the vaccine works but less so against the South Africa variant.
The country secured enough vaccines to inoculate all of the country's five million people, with two new agreements signed with pharmaceutical companies AstraZeneca and Novavax.
Novavax will inject 131 volunteers in the first phase of the trial testing the safety of the vaccine and looking for signs of its effectiveness.
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