RAPID AFFORDABLE COVID-19 TESTING NEAR YOU, RESULTS IN 15 MINUTES TO YOUR PHONEThis site is closed. Visit our Plymouth Meeting, King of Prussia, or other locations for COVID-19 Testing & VaccinationsWe provide a rapid antigen test will enable large number of asymptomatic people to get tested for COVID-19. This test can be used repeatedly for continuous peace of mind.15toKnow provides individuals and organizations different testing options, all with reliable and fast results so you can return to your normal activities without the worry of infecting others, at school, your place of business, or your home.