Isolation of influenza virus in Thailand in the rainy seasons of 1986, 1987 and 1988.

1) Chiba Prefectural Serum Institute, Chiba 2) Nagano Research Institute for Health and Pollution, Nagano 3) National Institute of Health, Tokyo 4) National Institute of Health, Nongtabri 5) Department of Microbiology and Immunology, Nippon Medical School, Tokyo 6) Department of Hygiene and Public Health, Nippon Medical School, Tokyo 7) Department of Family Medicine, Faculty of Medicine, Chiang Mai University, Chiang Mai 8) Department of Microbiology, Faculty of Medicine, Chiang Mai University, Chiang Mai 9) Department of Pediatrics, Faculty of Medicine, Chiang Mai University, Chiang Mai