Table 1 Number of Epi-Aids performed by NCEH EISOs, by subject area and year, 2001–2015

Toxic chemicals

15

12

25

52

Indoor air quality and outdoor air toxics

2

2

4

New, rare, or unexplained disease/syndrome

12

8

2

22

Natural disasters

9

12

7

28

Terrorism and unintentional human-made disasters

5

1

5

11

Substance use and abuse

2

4

6

Violence and injuries

1

1

2

Infectious disease

17

11

12

40

Miscellaneous

2

4

4

10

Total

63

50

60

175