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seroepidemiology
seroepidemiology n.
Brit. 
/ˌsɪərəʊɛpᵻdiːmɪˈɒlədʒi/
, /ˌsɪərəʊɛpᵻdiːmɪˈɒlədʒi/U.S. /ˌsɪroʊˌɛpəˌdimiˈɑlədʒi/
the serological study of the prevalence and distribution of a pathogen in a population./ˌsɪroʊˌɛpəˌdimiˈɑlədʒi/ΚΠ
1967 Bull. World Health Organization 37 79 (heading) WHO collaborative study on the sero-epidemiology of Rubella.
1977 Lancet 12 Nov. 1038/2 The seroepidemiology of herpes simplex virus (H.S.V.) type 2 infection in man has been hampered by difficulties in demonstrating antibodies specific for H.S.V. type 2 in sera with cross-reacting H.S.V. type 1 antibodies.
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