Other sexually transmitted diseases can cause ulcers or inflammation i. Barriers to exchange of cellular matter is compromised 3. Dendritic cells bind HIV c. Carry HIV from site of infection to the lymph nodes where HIV infects other immune cells 4. HIV also can be transmitted by contact with infected blood a. All blood products are screened routinely for virus 5.
Viral particles spread throughout the body a.
Scientists do not know why number drops i. Cells may be killed or leave blood and go into lymphoid tissue 3. Occurs during HIV replication 6. Infected individual may remain free of HIV-related symptoms for years a. HIV continues to replicate in the lymphoid organs seeded during the acute phase of infection 8. FDCs are located in germinal centers a.