Researchers made this big claim
The researchers said, "These results are very important. But from the samples tested, it cannot be said right now that the effect of the virus will remain the same due to the necessity of the mask or its effect will reduce within a few weeks." He told that it is very important to apply mask in view of the current situation. People’s lives can be saved by the use of masks. He also made it clear that people may have to wear masks in the coming times too.
It is necessary to wear masks in public places