Rh -negative Rate for Indians

THE Rh-negative rate for Indians in our first series of 200 cases in Calcutta was 10 per cent1. In a second series it fell to 7.85 per cent2. Wiener's3 rate in a series of 200 cases is 7.1 per cent. This rate contains all types of Rh, including 2.6 per cent Rh', which would be missed by animal/(anti)serum. By the use of the latter serum alone, therefore, the rate would be 9.7 per cent, which is not materially different from our first rate.