Respuesta :
Answer: B, C, E
B: Dr. Robert Gallo discovered that a virus might be the cause of AIDS.
C: Over 2,300 people had died of AIDS up to 1983.
E: American Red Cross recalled almost 6,000 units of plasma.
Explanation:
Answer: B, C, E
B: Dr. Robert Gallo discovered that a virus might be the cause of AIDS.
C: Over 2,300 people had died of AIDS up to 1983.
E: American Red Cross recalled almost 6,000 units of plasma.
Explanation: