Freqüência de doadores O com hemolisinas em altos títulos: experiência do Serviço de Hemoterapia de São José dos Campos / Frequency of high-titer hemolysins in O blood group donors: experience of São José dos Campos Hemotherapy Service

There are few publications about the anti-A and anti-Bhaemolisyns frequency rates in group O blood donors. Whenthese antibodies are present under high titers, such donorsare called "dangerous O donors". We described briefly theexperience of São José dos Campos Hemotherapy Service.