G6PD Deficiency

X-linked recessive
African, Mediterranean, Iraqi Jew, South East Asian and Chinese
predisposes to a haemolytic anaemia reaction with drugs or infection. 
aspirin, sulphonamides, antimalarials, and quinidine. 
The haemolytic anaemia is non-immune (DAT -ve). 

Pyruvate Kinase Deficiency is autosomal recessive 
chronic haemolytic anaemia exacerbated by viral infections.