Viral Infections: References

“Viral Infections.” Medline Plus. National Institutes of Health. Web Accessed 9/14/10.<http://www.nlm.nih.gov/medlineplus/viralinfections.html>

"Introduction: Viral Infections. Merck Manual Home Edition." Web. <http://www.merck.com/mmhe/sec17/ch198/ch198a.html>.