Answer:
The earliest known case of infection with HIV-1 in a human was detected in a blood sample collected in 1959 from a man in Kinshasa, Democratic Republic of the Congo. (How he became infected is not known.)
Explanation:
Google
Answer:
- Germs are less likely to be transferred from hands to other objects, spreading disease.
- Communicable diseases are less likely to spread from person to person.
- The number of respiratory illnesses declines by about 20 percent.
Explanation:
Got it right on Edg.
