Volume 11, Number 1—January 2005
Dispatch
Serologic Evidence of Human and Swine Influenza in Mayan Persons
Table 1
Hemagglutination inhibition antibodies to influenza virus, Kochol, Yucatán
No. samples | Titer | Month | No. (%) positive samples | |||
---|---|---|---|---|---|---|
A/Bayern/7/97 (H1N1) | A/Sw/Wis/238/97 (H1N1) | A/Sw/Mn/593/99 (H3N2) | A/Sydney/5/97 (H3N2) | |||
73 | June | 22 (30) | 2 (2.7) | 59 (80.8) | 32 (43.8) | |
0 | 41 | 67 | 4 | 10 | ||
10 | 6 | 2 | 2 | 12 | ||
20 | 4 | 2 | 8 | 19 | ||
40 | 5 | 2 | 9 | 9 | ||
80 | 6 | 11 | 17 | |||
160 | 7 | 18 | 4 | |||
320 | 2 | |||||
640 | 4 | 18 | ||||
1,280 | 3 | |||||
35 | July | 8 (23) | 0 | 26 (74) | 14 (40) | |
0 | 18 | 5 | 13 | |||
10 | 6 | 2 | 2 | |||
20 | 3 | 2 | 6 | |||
40 | 3 | 7 | 8 | |||
80 | 3 | 10 | 4 | |||
160 | 1 | 4 | 2 | |||
640 | 1 | 4 | ||||
1,280 | 1 | |||||
7 | August | 1 (14) | 0 | 6 (85.7) | 1 (14) | |
0 | 4 | 1 | 3 | |||
10 | 1 | 1 | ||||
20 | 1 | 3 | ||||
40 | 1 | 1 | 1 | |||
160 | 4 | |||||
320 | 1 |