"ˌ noun
Etymology: sero- + prevalence
: the frequency of individuals in a population that have a particular element (as antibodies to HIV) in their blood serum
"ˌ noun
Etymology: sero- + prevalence
: the frequency of individuals in a population that have a particular element (as antibodies to HIV) in their blood serum
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012