COVID-19 Primer -- This site provides updates on the research on a daily basis.
COVID-19 United States Cases by County -- This Johns Hopkins University map provides up to date information about cases of COVID-19 by county.
Coronaviruses (CoV) are a large family of viruses that cause illness ranging from the common cold to more severe diseases such as Middle East Respiratory Syndrome (MERS-CoV) and Severe Acute Respiratory Syndrome (SARS-CoV). A novel coronavirus (nCoV) is a new strain that has not been previously identified in humans.
Coronaviruses are zoonotic, meaning they are transmitted between animals and people.
From World Health Organization -- https://www.who.int/health-topics/coronavirus