| studies on arboviruses in egypt. ii. contribution of arboviruses to the aetiology of undiagnosed fever among children. | acute blood samples from 120 children, attending the fever hospital in alexandria and complaining of fever, were collected and examined for haemagglutination-inhibiting (hai) and complement-fixing (cf) antibodies against the following arbovirus antigens; sindbis, west nile (wn), yellow fever, dengue 1, sandfly fever, quaranfil, chenuda and nyamanini. positive reactions in the acute sera were only detected against sindbis (4.3%) and wn (4.3%) antigens. the convalescent sera obtained from 48 of th ... | 1970 | 5272347 |