US biotechnology firm Moderna on Monday said lab studies showed its Covid-19 vaccine would remain protective against variants of the coronavirus first identified in the United Kingdom and South Africa. But out of caution, the company will test adding a second booster of its vaccine — to make three shots ...
The World Health Organization announced that there are signs of victory over the Coronavirus during this year, provided that hygiene and safety are adhered to. “It is important to maintain low rates of infection during the vaccination process, but this depends on people’s behavior, and a sense of responsibility towards ...
