ID 313834934 © Naiklon1 | 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.:
viral invasion microscopic battle immune system pathogen infection disease antibodies white blood cells antigens defense mechanisms immunity microbes contagious transmission outbreak epidemic pandemic vaccination prevention treatment health crisis public quarantine isolation hygiene practices respiratory illness global threat virulence factors host replication cycle load mutation rate response aigenerated