Medicine and the study of bacteria are most important every day, we need to combat with viruses and bacteria in our lives and we are most exposed to harmful elements, foods and materials. This vector set have some pathogen study icons for medical projects 人类 医疗 科学 Vector Pathogen Icons
Close-up vector image of flesh fly on a green leaf. There are over 300 000 known fly species in the world. They have a very strong sense of smell and can smell rotten meat from over 750 meters. Flies have a glue substance on the pads of their feet that help them stick to walls 翅膀 眼睛 昆虫 飞图像
VECTOR GRAPHICS OF A TICK. IMAGE OF A BLACK INSECT LIVING ON THE BLOOD OF OTHER ANIMALS 刻度线 bug 动物 TICK BUG VECTOR CLIP ART.eps
An awfull little blood sucking bug, ew ! Those things parasitize bees. the model is a PD photo : http://commons.wikimedia.org/wiki/File:Varroa_Mite.jpg 蜜蜂 寄生虫 螨
Description: "parasite on a human back". In a team or a workgroup, everyone's talents should be used well toward the achievement of a common goal; however, "free rider not allowed 冲突管理 越轨行为 集团业绩 不允许使用的免费搭车