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Covid-19: Former AIIMS director cautions against new variants; here's what he said
ANI, he said, “I would suggest to everyone that if they are going out and especially in crowded places then they must wear a mask." Dr Guleria also warned that high-risk patients can get serious infection. "High-risk groups, elderly people should avoid going out because there are high chances of spreading infection and some can also get a serious infection," he said.