ID 231383291 © Jbruiz78 | 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.:
analyzing biology blood chemical chemistry death disease epidemic exam experiment fever flu hospital illness infection influenza medical medicine micro microbiology organism outbreak patient pneumonia research science scientific sick sickness spreading test virus h1n1 spanish technology avian bird common hematology plague virology cold cdc h5n1 immunology serology