Covid-19 is a disease caused by a virus called SARS-CoV-2. It was first discovered in 2019.

The disease spreads when a sick person sneezes, coughs, or talks. Small droplets from their mouth can reach other people.

The virus can enter the body through the eyes, nose, mouth, or lungs. It can also spread if one touches dirty surfaces and then the face.

Both sick and healthy people can spread the virus. One is most contagious when experiencing symptoms like a cough or runny nose.

Common symptoms include a runny nose, fever, sore throat, and cough. Many experience mild symptoms and recover at home. But some can become very ill and need care.

It usually takes three to four days from infection to symptoms. Some may have long-lasting symptoms after being sick.

To protect oneself against covid-19, one can get vaccinated. Vaccines help to make the disease milder.

If one is sick with respiratory symptoms, they should stay home to avoid infecting others.

Covid-19 began spreading in China and became a pandemic. WHO stated that it was a major health threat.