COVID-19 and Influenza

Viruses are tiny microbes that survive by invading other living cells. Both covid-19 and seasonal flu are viral infections but covid-19 is due to the SARS-CoV-2 virus, and flu is from influenza A and B viruses. There are 4 types of seasonal influenza viruses, types A, B, C and D. Influenza A and B viruses circulate and cause seasonal epidemics of disease. Seasonal influenza spreads easily and can sweep through schools, nursing homes, businesses or towns. When an infected person coughs, infected droplets get into the air and another person can breathe them in and be exposed.

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