ID 261112680 © Nexusby | Megapixl.com
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.:
std icon test infection virus sexual transmitted disease infect blood bacteria aids sex gender viral hpv hiv sti papillomavirus organism medicine microbe vector parasitic germ analysis health care bacterium bacillus parasite syphilis contagion pathogen contagious tube glass lab sample check