Abstract The deadly Covid-19 outbreak and its rapid spread in the atmosphere have greatly affected the lives of human beings. It is the most infectious and […]
We now know that coronavirus is asymptomatic and that’s why wearing a mask is recommended. By wearing masks we protect others and also if every person […]
Why wear a face mask? To prevent the spread of infection and prevent the individual from contracting any airborne infectious germs we have to wear face […]