Volume 3, Number 3—September 1997
Dispatch
Hantavirus Transmission in the United States
Table
Seropositivity of humans and rodents from episodes in which clustering of human hantaviral infections were identified in the United States.
| Episode | Household contacts No. Positive (No. tested) | Nonhousehold contacts No. Positive (No. tested) | Site contactsa No. Positive (No. tested) | Rodents No. trappedb | Seropositive rodents Positive / No. tested (%) |
|---|---|---|---|---|---|
| 1 | 0 (5) | 0 (19) | 0 (0) | nd | nd |
| 2 | 3 (9) | 0 (11) | 0 (0) | 40 | 8/27 (30) |
| 3 | 1 (7) | 0 (0) | 0 (0) | 87 | 15/41 (37) |
| 4 | 1 (2) | 0 (20) | 0 (9) | 80 | 7/80 (9) |
| 5 | 1 (1) | 0 (2) | 0 (0) | nd | nd |
aPersons with exposure to the home or worksite of the index patient but without exposure to the patient
bTrapping occurred in and around index patient's home/worksite
nd=not done
