BSC 310 Lecture Notes - Lecture 45: Aids, Hiv, Aedes Aegypti
Document Summary
Yellow fever is a viral disease of the bloodstream transmitted by themosquito aedes aegypti. The virus is an rna-containing particle that is icosahedral. After injection by the mosquito, the virus spreads to the lymph nodes and blood, where it persists in the bloodrich organs such as the liver. Very high fever, nausea, and jaundice accompany the disease. Two vaccines are available for preventing yellow fever. Dengue fever is transmitted by the aedes aegypti mosquito and caused by an. The viruses enter the bloodstream, where they cause fever and severe muscle, bone, and joint pains, leading to breakbone fever. Successive exposures to the virus may result in dengue hemorrhagic fever, in which extensive hemorrhaging occurs in the blood-rich organs. Infectious mononucleosis is caused by a herpes virus believed to be the epstein-barr virus. This virus has dna and an envelope and the ability to remain latent in the b-lymphocytes.
