HOSPITALhttp://www.flickr.com/photos/portaldelsur/6234359103/

MEDICINE• http://www.flickr.com/photos/ema_gd/5032398050/

CELLS• http://www.flickr.com/photos/euthman/206766509/

CONTAGIOUS• http://www.flickr.com/photos/enggul/3332051944/

DOCTOR

http://www.flickr.com/photos/edenpictures/4133664894/

VACCINE http://www.flickr.com/photos/julien_harneis/4181939362/

FUNGI http://www.flickr.com/photos/vastateparksstaff/5617175452/

SICKNESS

http://www.flickr.com/photos/svenstorm/2496547410/

BACTERIAhttp://www.flickr.com/photos/34745138@N00/2234750993/

POLIOhttp://www.flickr.com/photos/48639212@N02/5296658521/