Now-a-days we are in tension due to various variants of CORONA. It can be overcome if we every one keep in mind the medical term "Prevention is better the cure". We should follow every words of Medical, such- cleaning our society, environment then we can prevent so many diseases which are destroying our immunity power, which can help us to fight and win with new diseases. If we every one are doing such then reply to this post and give your better policy. Regards