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Table 2 Positive predictive value (PPV) of self-reported History of Disease (HD) or Vaccination against Disease (HV) in predicting immunity (n = 150). HV one: one vaccination, HV two: two vaccinations

From: Reliability of medical students' vaccination histories for immunisable diseases

 

PPV

Measles

 

   HD

71.4%

   HV one

97.3%

   HV two

98.4%

Mumps

 

   HD

87.5%

   HV one

82.9%

   HV two

94.6%

Rubella

 

   HD

88.2%

   HV one

88.5%

   HV two

100.0%

Varicella

 

   HD only

99.3%