A top Pfizer Inc scientist said the company is in intensive discussions with regulators to test a booster shot version of its coronavirus vaccine specifically targeted for a highly contagious variant that is spreading.
Read more here:: ZA Local News
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A top Pfizer Inc scientist said the company is in intensive discussions with regulators to test a booster shot version of its coronavirus vaccine specifically targeted for a highly contagious variant that is spreading.
Read more here:: ZA Local News