TABLE 3.
Epidemiological data of CHAT-VAPP cases
| Case no. and year | WHO strain | Age of patient (mo) | Association with vaccinationsa | Antibody response to poliovirus type
|
Time of isolation (days postillness) | ||
|---|---|---|---|---|---|---|---|
| 1 | 2 | 3 | |||||
| 8,1970 | 134 | 11 | No known contact | + | − | − | 7 |
| 12,1970 | 135 | 11 | Recipient (19) | + | − | − | 11 |
| 14,1970 | 136 | 10 | Possible contact (21) | + | − | − | 7 |
| 15,1970 | 137 | 17 | Recipient (27) | + | − | − | 17 |
The interval between vaccination or contact with vaccinee and onset of illness (days) is in parentheses.