im couphing and my sister just came back from the hospital pneumonia , mycoplasma infection and i dont wanna contminaate her with what ever i have ..so im wearing surgical masks .. do they really protect me from spreading what ever i have lol (idk what i have but i guess it the flu) how often do i have to change it ?Do surgical masks prevent contamination?
yes the do protect the infective droplets to get dislodged into the air and hence prevent the spread of the infection to the others... But please remember that, all colds are not flu..!!
But anyway, if u have cold also, it can infect ur susceptible, just recovered sister.. So whatever u have done is correct.. .
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