Many individuals felt sick in 2020 and tested negative for COVID-19, assumed they were perfectly healthy, and continued to socialize. However, they may have had the flu and didn’t know it.
The flu is a serious upper respiratory condition that can sometimes cause even more life-threatening illnesses. It can even be fatal. The flu is not to be taken lightly. It is very different from the common cold. In fact, the word “common” doesn’t come before “flu” for a reason.
