The Centers for Disease Control and Prevention (CDC) is the primary resource for Coronavirus information, guidelines, and latest updates. The link to the CDC website is here.
There is information on how to protect yourself, i.e. cleaning your hands often and avoiding close contact with people. The section with this information is located here.
If you think you are sick, here are the steps the CDC is recommending you take to care for yourself, and to help prevent the spread of the virus here.