Humans Herpesviruses Type 1(HHV1)--colds sores and fever blisters?
-Painful, itchy skin lesions, usually on or around the lips; may be accompained by flu-like symptoms (malaise, fever, muscle pain)
- Antiviral med limits duration of outbreak and amount of virus shed, but does not cure.
- Avoid contact with individuals who have active lesions
HHV 2--Genital herpes?
- Dircet contact
- Painful, itchy skin lesions, usually inthe genitalia
C) May occur in oral area, usually as result of oral sex
- Antiviral med limits duraton of outbreak and amount of virus shed, but does not cure.
- Avoid contact with individuals who have active lesions; prevent sexual transmission via monogamy, abstinence. Sexuak transmisson reduce by abstention from sex during active outbreak.
- Varicella= Chickenpox
- Zoster= Shigles
- Aerosol or contact with fluid in lesions (may enter eyes).
- Chickenpox- Fever, malaise, itchy skin lesions. Lesions apper about 2-3 weeks after infection, last few days to 2 weeks. Lesions begin as macules, progress to papules, then vesicles; vesicles then turn cloudy and dry up.
D) Virus can be latent in neurons; shingles- during stress or immune suppression, virus particles released and travel to skin, cause infection---> shingles. (1) Shingles- pain at site followed by rash, vesicles; Pain in area can remain for long times after healing of lesions. Rash may break out on one side of trunk, in area served by the affected neurons.
- Chickenpox- if not complications. supportive care is enough.
- Shingles- supporive care and bed rest.
- Chickenpox vaccine
Common Cold Viruses?
- Aersol, fomites (these viruses survive will outside host), ingestion of contaminated food or water.
-Runny nose, pharngitis, cough, headache.
- Supportive care
7. Viral pnuemonia
a) Many possible causes
- Supportive care, antiviral medication may be used; antibiotics NOT effective against the viruses.
1. Cause warts, some tumor cancers (HPV= Human Papilloma Virus)
- Direct contact and via fomites
- Genital warts by sexual transmission
- epithelial growths, often painful
- depending on manner of transmission, may occur on fingers, feet, trunk, genitalia.
- removal with caustic chemicals, freezing, cauterization or surgery; cover with duct tape until gone.