What Is Coronavirus?
The best way to prevent the transmission of the virus is to avoid or limit contact with people who are showing symptoms of COVID-19 or any respiratory infection. There’s currently no cure for an infection caused by the 2019 coronavirus. However, many treatments and vaccines are currently under study. Once the virus develops in people, coronaviruses can be transmitted from person to person through respiratory droplets. The bottom line is that all viruses, including coronaviruses, can change over time. If a virus has a random change that makes it easier to infect people and it spreads, that variant will become more common. Because the changes are random, they may make little to no difference in a person's health. For example, one reason you need aflu shotevery year is because influenza viruses change from year to year. This year'sflu virusprobably isn't the exact same one that circulated last year. Much is still unknown about how COVID-19 will affect people over time, but