| survey on antibody to getah virus in horses in japan. | a seroepidemiological survey was performed on antibody against getah virus in horses in japan by the complement fixation test. the positive rate was 35 and 53% in two areas where an outbreak of the infectious disease was reported, whereas it was in a range of 3.3 to 24.2% in other areas, except in certain prefectures of the kyushu district where a high positive rate was observed. in the hokkaido district, the northernmost part of japan, no reactors were found in horses under 6 years old, unlike ... | 1980 | 6255345 |