Tänä aikana niiden terveyttä olisi tarkkailtava tiiviisti, ja tarvittaessa olisi suoritettava serologiset, bakteriologiset ja parasitologiset testit asiantuntevissa laboratorioissa. ###>During this period their health should be closely monitored and further serological, bacteriological and parasitological tests should be performed by competent laboratories as required.