We need to be more careful as herd immunity has not been developed

We need to be more careful as herd immunity has not been developed

We need to be more careful as herd immunity has not been developed

We need to be more careful as herd immunity has not been developed, says Dr Ravi Mallik

User: NewsNation

Views: 3

Uploaded: 2021-02-24

Duration: 02:20

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