NATS 1670 : Sexually transmitted infections (HIV and HPV).docx

• School: York University
• Department: Natural Science
• Course: NATS 1670
• Professor: Motti Anafi

Document Summary

Hiv and aids: history of an infectious agent. Early transmission of hiv in africa was from prostitutes to truck drives which helped the virus spread throughout the continent. Happened when hunters killed monkey and was contaminated by its blood. Hiv & aids reduction of the immune system. January 10, 1981, dr. gottlieb office @ ucla medical center, los angeles. Dr gottlieb( immunologist) in los angeles met the 5th patient with hiv/aids . Patient was looking for a job in new york city but couldn"t get one because he has labial herpes virus (cold sore) on his lips- lasted for half a year. Helper t-cells extremely low & antibody production low. 2 weeks later michael had pneumocystis carinii ( fungal pathogen) pneumonia (pcp) In los angeles (1967-1978): only 2 cases of pcp in immunocompromised patients ( taking chemotherapy) 1981, los angeles 5 cases of pcp. Early 1970s: 5 cases/ a year of kaposi"s sarcoma (ks) in elderly of.