The mean sizes of some pathogens are given. One kind of air filter has been found to work in stopping any pathogens of $1\,\mu\text{m}$ or greater from entering the air system of a room. Using their size and method of transmission, which diseases would this air filter stop from entering the air system of a room?
- AHIV infection \times, TB ✓, malaria ✓, cholera ✓
- BHIV infection \times, TB \times, malaria ✓, cholera ✓
- CHIV infection ✓, TB \times, malaria \times, cholera \times
- DHIV infection \times, TB ✓, malaria \times, cholera \times