Covid-19, which is now a fast growing global pandemic. The number of confirmed cases in India has exceeded 3,36,00,000 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.
Though India leads the current vaccination worldwide charts, only around half of India has recieved at least one dose.