During the spring of 1973, ninety-six cases of rubella occurred at Memphis State University. The epidemic remained confined to the University and did not involve elementary school children, who are the traditional source of infection for young adults. The epidemic occurred despite immunity levels of more than 80% in both the elementary school and college students. This outbreak and others recently reported in high schools and colleges suggest that rubella in these age groups may be a source of exposure for pregnant women.
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