Some Human Viral Diseases
| Disease | Effect on Body | Transmission |
|---|
| Common Col | Sneezing, sore throat, fever, headache, muscle aches | Contact with contaminated objects; droplet inhalation |
| Influenza | Body aches, fever, sore throat, headache, dry cough, fatigue, nasal congestion | Flu viruses spread in respiratory droplets caused by coughing and sneezing. |
| AIDS (HIV) | Helper T cells, which are needed for normal immune-system function, are destroyed. | Sexual contact; contact with contaminated blood or body fluids; can be passed to babies during delivery or during breastfeeding. |
| Chicken pox | Skin rash of blisterlike lesions | Virus particles are spread in respiratory droplets caused by coughing and sneezing; highly contagious |
| Hepatitis B | Jaundice, fatigue, abdominal pain, nausea, vomiting, joint pain | Contact with contaminated blood or bodily fluids |
| West Nile Virus | Fever, headache, body ache | bite from an infected mosquito |
| Human papillomavirus (HPV) | Genital or anal warts, also cancer of the cervix, penis, and anus | Sexual contact |