Marieke C E Battjes-Fries, Ellen J I van Dongen, Reint Jan Renes, Hante J Meester, Pieter Van't Veer, Annemien Haveman-Nies
Unravelling the effect of the Dutch school-based nutrition programme Taste Lessons: the role of dose, appreciation and interpersonal communication
BMC public health
covid19 disease emerged wuhan china december 2019 quickly became global health threat around 6947192 people killed around world far including 146292 iran addition definitive diagnosis disease rtpcr immunological serological tests check antisarscov2 n protein antibody titer people different stages infection acceptable sensitivity specificity serological examination effective efficient method determining prevalence disease especially asymptomatic cases present diagnosis symptomatic cases incomplete study examined seroprevalence covid19 razi vaccine serum research institute rvsri agricultural research education extension organization areeo total 493 blood samples collected volunteers june 2020 areeo 380 samples collected june july 2020 rvsri total number volunteers organizations 873 standard elisa kits used measure igg igm antibodies sarscov2 statistical analysis obtained data conducted using spss version 220 among total 873 volunteers examined rvsri areeo 105 elevated serum titers either igm igg 355 women 695 men generally 88 people tested positive igm showed recent infection covid19 people time partially indicated start new wave covid19 rvsri 342 people positive igm titers positive negative igg titers women 553 men areeo 302 women 572 men seroprevalence rate covid19 rvsri 116 42 women 735 men significant difference women men covid19 seroprevalence areeo 97 322 women 65 men significant difference women men