A coronavirus can cause respiratory symptoms that are similar to a flu or cold. The virus that's responsible for the current outbreak is known as SARS-CoV-2. It's a cousin of the one that caused an outbreak in 2003 that was known as severe acute respiratory syndrome (SARS). The new virus spreads more easily and faster than the one which caused SARS. It's also spreading faster than the SARS-CoV-1 virus during its outbreak.
Aerosols are tiny droplets or https://faq-coronavirus.com/best-online-courses-to-spend-your-time-during-coronavirus/ particles released by people who have the virus when they cough, sneeze or talk. The virus can be floating in the air for hours and then you can breathe them in or rub them on surfaces. Infected people may contract the virus after touching an infected individual or surfaces and breathing the virus into or placing their hands into their mouth or nose, or even their eyes. Some people may not exhibit any symptoms and will not know they have the virus however, some people can become sick.
Most people get a coronavirus at the very least once in their lives, mostly as children. Most cases are mild, and then they disappear on their oown. However, some cases can be severe. Scientists are working to find an effective treatment.