Marks should be required in covid-19 because by only two way corona virus can enter in our body, i.e, By nose and By Mouth
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1) if an infected person sneezes near you and if you breathe then you inhale corona virus. So mask is needed.
2) if virus is present on any surface and air blow and carry that an enter in your body.
3) if you viruse on your hand to touch mouth or nose without sanitization.
4) if you are in hospital where a lot of corona patient then the air of hospital is infected.
5) mask make you realise that sanitization should be needed before eat anything .
It is not necessary to always wear masks during this pandemic,
when it is not necessary,
1) when you are at least one metre distant from everyone
2) when you use gloves and sanitize to eat anything after removing
gloves, no need to wear mask
3) when you are at home
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