Which of the following statements best describes the pathogenesis of HIV infection?
a. HIV virus selectively infects T helper cells, incorporates its own DNA into the T helper's DNA, and lyses the cell.
b. HIV virus infects all lymphocytes, incorporates its own DNA into the T helper's DNA, and changes the T helper's identity.
c. HIV virus infects all cells involved in cell-mediated immunity, incorporates its own DNA into the DNA of the infected cells, and lyses the cells.
d. HIV infects T-suppressor cells and initiates apoptosis.
Question 2
Which of the following infectious agents that can be transmitted from mother to a growing fetus can result in physically and mentally impaired development?
a. Bordetella pertussis
b. Toxoplasma gondii
c. Coxsackievirus A
d. Clostridium botulinum
A closer look at the reproductive cycle of human immunodeficiency virus (HIV)
Ancient Giant Virus
Course of infection by stage
General structure of a virus.
A culex tarsalis mosquito, a common vector of the spread of West Nile virus.
COVID-19 virus.