Alliance Health Merrick provides walk-in Covid-19 testing! Partnering only with CLIA-certified labs, Alliance provides the highest standard of PCR Antigen, & Antibody tests. We employ top-of-the-line equipment & innovative technological solutions, so you get reliable test results without the hassle. With centers in South Florida, Central Florida, & New York, we always have a clinic nearby. This enables us to prioritize your convenience—quick online booking, speedy results, & little to no wait time!