http://www.flickr.com/photos/mollivan_jon/135544050

Fungi

http://www.flickr.com/photos/ajc1/2090761909

Bacteria

http://www.flickr.com/photos/imortal/3707897327

Vector

http://www.flickr.com/photos/sanmartin/4900275659/

Parasite

http://www.flickr.com/photos/ringai/3911794367/

Virus

Contagious

http://www.flickr.com/photos/wstryder/4111120733/

Sick

http://www.flickr.com/photos/chimchim/754315808/

Malariahttp://www.flickr.com/photos/ajc1/3420714787/

Cancer

http://www.flickr.com/photos/maf04/6237594287/

Polio

http://www.flickr.com/photos/ramesh_lalwani/2174796730/