Sharing is not just caring, it's also about giving credit - add this image to your page and give credit to the talented photographer who captured it.:
analyzing antibody antigen atk background corona coronavirus cov2 covid19 device diagnosis disease droplet epidemic equipment experiment extraction flat health healthcare illness infection infectious kit lay liquid medical medicine ncov negative outbreak pandemic people positive protect protection rapid reactive research respiratory result sample sars science secretion self technology test therapy top treatment tube view virus waste white