Viral origins and lifestyles -- Host defenses -- Viruses we inhale. Influenza : a bait and switch virus ; Rhinovirus : a virus that surrenders ; Measles : a Trojan horse virus -- Viruses we eat. Rotavirus : an undercover virus ; Adenovirus : a virus with a time schedule ; Hepatitis A : a virus that detours -- Viruses we get from Mom. Hepatitis B : a decoy virus ; Hepatitis C virus : an escape artist ; Human T cell lymphotropic virus type I : a tribal virus -- Viruses we get by intimate physical contact. HIV-1 : an urban virus ; Herpes simplex : a virus that hides ; Human papilloma : a very quiet virus -- Emerging viruses -- Vaccines -- Antiviral drugs