Rubella antibody among Thai women of childbearing age.

Result of rubella haemagglutination inhibition antibody test on 300 Thai women of childbearing age in upper socioeconomic group showed that 25% were susceptible to rubella. The high frequency of susceptibility in this group of women would be of considerable public health problem, should rubella become epidemic again. The introduction of immunization against rubella in this group of women was also discussed.