Keywords : Infectious Disease
Canadian Journal of Medicine,
2020, Volume 2, Issue 1, Pages 13-16
Spread of COVID-19 in all of the world caused the warning alert from WHO. It began from China and was the reason of many death through the world since 2019 December. Elders and people with previous diseases such as IgA deficiency [IgAD] are more susceptible to get COVID family. Also, higher level of IgA can combat with infectious disease.