http://www.flickr.com/photos/tanneberger/4018933467/

Fungi

http://www.flickr.com/photos/darrowassoc/3914916754/

Bacteria

http://www.flickr.com/photos/ajc1/3409509048/

Antibody

http://www.flickr.com/photos/ajc1/3409509048/

Chicken Pox

http://www.flickr.com/photos/jenmae/1509010902/sizes/m/in/photostream/

Prot

ozoa

http://www.flickr.com/photos/morgies/4284657286/

PARASITE

Infections

www.flickr.com/photos/53207325@N07/5560169729/

Vaccine

http://www.flickr.com/photos/sanofi-pasteur/5570806141/

FEVER

http://www.flickr.com/photos/nyah74/4053282672/

Vector http://www.flickr.com/photos/agder/2783124139/