| serological evidence of dengue virus activity in children on the northern leeward islands (netherlands antilles). | an arbovirus serologic survey of school children on the northern leeward islands (saba, st. eustatius and st. maarten) using haemagglutination inhibition (hi) detected a high proportion of reactors to dengue types 1,2, and 3. analysis in relation to age showed an increasing proportion to be positive with increasing age. the results of an all-age survey on st. eustatius 1970 led to the hypothesis of possible dengue serotype 1 activity on st. eustatius around 1900, whilst it is thought that dengue ... | 1979 | 505553 |