1.   Could the black death have begun as a flea-spread disease and adapted during an epidemic to become a highly transmissible airborne disease?

2.   Worries are being expressed about the risk of catching serious airborne diseases, such as influenza, bronchitis and tuberculosis.

3.   But deer hunting remains banned because deer are at risk from foot-and-mouth, an airborne disease that affects animals with cloven hooves.

4.   Eight million are infected annually by the airborne disease, which can spread through contact as casual as sitting on the same airplane with someone who is infected.

5.   Hantaviral infection is an airborne disease which is contracted from rat excreta or saliva.

6.   Researchers announced initial findings Wednesday they hope will lead to using ultraviolet lamps to prevent the spread of tuberculosis and other airborne diseases.

7.   TB is an airborne disease spread by coughing, sneezing and talking.

8.   The hotel is still open and working with health officials to prevent the airborne disease, Reynolds said.

9.   They acted also in the apparent belief that air fresheners would prevent the spread of airborne diseases, the report said.

10.   Tuberculosis is an airborne disease spread mostly through close contact by people with active infections.