Study at hospital in São Paulo state detects measles antibodies in only 75% of those under 15

A study conducted in Brazil and reported in an article in Vaccines shows that in the São José do Rio Preto region in the northwest of São Paulo state, only 75.8% of children aged 0-15 have antibodies against measles. The proportion considered ideal to prevent outbreaks of the disease is 94%. The findings are in line with other recent surveys showing a drop in child vaccination rates in Brazil since 2015.