A) Bacteriophage
B) Coronavirus
C) Adenovirus
D) Retrovirus

A) Respiratory system
B) Immune system
C) Endocrine system
D) Digestive system

A) Surgery
B) Life-long regimen of medicine
C) Vaccination
D) Dietary changes

A) No sexual transmission risk with undetectable viral load
B) The virus is completely cured
C) The virus cannot be detected by any test
D) The virus is only transmitted through blood

A) Vaginal fluids
B) Breast milk
C) Blood
D) Sweat

A) 1975
B) 2000
C) 1990
D) 1981

A) Southeast Asia
B) West-central Africa
C) South America
D) Western Europe

A) 20 years
B) 11 years
C) 2 years
D) 5 years

A) Public research effort
B) Post-exposure prophylaxis
C) Treatment to prevent infection
D) Primary recovery program

A) Measles
B) Tuberculosis
C) Common cold
D) Chickenpox

A) A vaccine is in the final stages of approval
B) A vaccine is widely available
C) There is no vaccine
D) Vaccines are 50 percent effective

A) Natural birth methods
B) Blood transfusion
C) Antiretroviral medication for mother and child
D) Strict isolation

A) Unchanged from untreated individuals
B) Doubled compared to average
C) Nearly standard level
D) Significantly reduced

A) The Catholic Church
B) Local hospitals
C) Individual doctors
D) The text implies it is a global pandemic

A) It disappears immediately
B) It remains stable
C) It increases rapidly
D) It becomes undetectable