Although using a mask you can protects yourself and others, but there is a difference between wearing a mask and wearing a safe mask.
Often the mask you are wearing is not able to give you complete protection against viruses or bacteria and this is the time when you change your mask or use it after washing.
If you want to make protect your health and the others, keep an eye on these few signs or symptoms appears then change your mask as quickly as possible.
The mask can only protect you if it is not torn or has holes in it. If your mask has started to explode or has holes in it, replace it immediately as it is no longer safe. You are not only at risk but other people are not safe from you.
There is strong evidence that corona virus can remain active on certain surfaces for several days. If you had COVID-19 or have these signs or symptoms similar to those of corona patients, you should change your mask regularly. If you use a cloth mask, then wash and dry it frequently and then use it. If you are caring for a patient or living close to someone you suspect may have the virus, you should change your mask or wash and use it to protect yourself from the virus.
If you have touched your mask after touching potentially infected areas, such as door handles and trolleys during shopping, you should change the mask and if it is a cloth mask, wash it immediately before using it again.