1. Vaccine
http://www.flickr.com/photos/alvi2047/3483848619/

2. Microbes
http://www.flickr.com/photos/goldenswamp/2215321962/

3. Polio http://www.flickr.com/photos/unicefsverige/4415954257/

4. Sick
http://www.flickr.com/photos/spcbrass/369210589/

5. Tuberculosis
http://www.flickr.com/photos/pulmonary_pathology/5390415129/

6. Medicine
http://www.flickr.com/photos/epsos/4582789354/

7. Microbes
http://www.flickr.com/photos/ideonexus/2515152714/

8. Protozoa
http://www.flickr.com/photos/46183897@N00/5374758002/

9. Chicken Pox
http://www.flickr.com/photos/mricon/1837263/

10. http://www.flickr.com/photos/ralphrepo_photolog/4104559289/
Plague