Covid-19 testing centers near me True Health Primary Care is offering walk-in Testing For Covid-19 COVID-19 spreads mainly from person to person, predominantly through respiratory droplets produced when an infected person coughs or sneezes. These droplets can land in the mouths or noses of people who are nearby or possibly be inhaled into the lungs. Spread is more likely when people are in close contact with one another (within about 6 feet).