Covid-19, which is now a fast growing global pandemic. The number of confirmed cases worldwide has exceeded 25,65,000 due to rapid spreading of the virus.
Covid-19, spreads very easily, much easier than many other regular illnesses we deal with on a regular basis. That's what makes it so dangerous.
The best course of action is to stay at home prevent the spread of the disease as well as hospitals getting overwhelmed with patients who simply shoudn't be there.
As of today, there is no know cure and no approved vaccine for Covid-19