A child swallowing a dose of an oral polio vaccine Contact immunity is the property of some vaccines, where a vaccinated individual can confer immunity upon unimmunized individuals through contact with bodily fluids or excrement. In other words, if Amelia has been vaccinated for virus X and Roberto has not, Roberto can receive immunity to virus X just by coming into contact with Amelia . The term was coined by Romanian physician Ion Cantacuzino.
A child swallowing a dose of an oral polio vaccine Contact immunity is the property of some vaccines, where a vaccinated individual can confer immunity upon unimmunized individuals through contact with bodily fluids or excrement. In other words, if person “A” has been vaccinated for virus X and person “B” has not, person “B” can receive immunity to virus X just by coming into contact with person “A” . The term was coined by Romanian physician Ion Cantacuzino.
R
Amelia
person “A”
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Roberto
person “B”
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Roberto
person “B”
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Amelia
person “A”