Volume 15, Number 5—May 2009
Research
Seroprevalence of Antibodies to Avian Influenza Virus A (H5N1) among Residents of Villages with Human Cases, Thailand, 20051
Rapeepan Dejpichai
, Yongjua Laosiritaworn, Pilaipan Phuthavathana, Timothy M. Uyeki, Michael O’Reilly, Nattaphon Yampikulsakul, Sumreung Phurahong, Phisanu Poorak, Jarunee Prasertsopon, Rumporn Kularb, Kannika Nateerom, Narumol Sawanpanyalert, and Chuleeporn Jiraphongsa
, Yongjua Laosiritaworn, Pilaipan Phuthavathana, Timothy M. Uyeki, Michael O’Reilly, Nattaphon Yampikulsakul, Sumreung Phurahong, Phisanu Poorak, Jarunee Prasertsopon, Rumporn Kularb, Kannika Nateerom, Narumol Sawanpanyalert, and Chuleeporn Jiraphongsa
Table 2
Avian influenza virus A (H5N1) neutralizing antibody titers among study participants (N = 901), as determined by microneutralization assay, Thailand, 2005
| Village | No. residents | No. residents by antibody titer |
||||||
|---|---|---|---|---|---|---|---|---|
| <5 | 5 | 10 | 20 | 40 | 80 | >80 | ||
| A | 228 | 227 | 1 | 0 | 0 | 0 | 0 | 0 |
| B | 204 | 202 | 2 | 0 | 0 | 0 | 0 | 0 |
| C | 209 | 202 | 6 | 0 | 1* | 0 | 0 | 0 |
| D |
260 |
257 |
2 |
1† |
0 |
0 |
0 |
0 |
| Total | 901 | 888 | 11 | 1 | 1 | 0 | 0 | 0 |
*Serum obtained from a 52-year-old woman (farmer) in village C without history of respiratory symptoms who reported contact with a sick/dead chicken and live poultry.
†Serum obtained from an 18-year-old man in village D without history of respiratory symptoms who reported contact with a sick/dead chicken and live poultry.
1Preliminary findings from this study were presented on June 18, 2007, at the Options for the Control of Influenza Conference VI, Toronto, Ontario, Canada.
Page created: December 16, 2010
Page updated: December 16, 2010
Page reviewed: December 16, 2010
The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.