Meanings (ES + gloss)
inmunidad colectiva • inmunidad de grupo
The indirect protection against the spread of a contagious disease in a given population caused by the immunity of a significant proportion of the population to that particular disease; the immunity may have been obtained through having survived the infection or through vaccination.
During the years that the herd was being replenished by purchase abortions were frequent, but that practice was discontinued, and the heifer calves born in the herd have been raise…
The Spread of Bacterial Infection. The Problem of Herd-Immunity [title]. [...] Consideration of the results obtained over the last five years, [...] has led us to believe that the…
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