Screening tests for acatalasemic gene carriers were carried out in Formosa during the year of 1966.
Fifty-nine hypocatalasemias were found out among 20, 439 racial Chinese, and only one hypocatalasemic individual was detected among 1, 350 Formosan aboriginals.
Then, the incidence of hypocatalasemia in Formosa was 0.29% among Chinese and 0.07% among aborigines.
