Blood groups, disease, and selection.

INTRODUCTION................................................................ 427 MATERNAL-FETAL INCOMPATIBILITY.............................................. 427 DISEASES OF THE GASTROINTESTINAL TRACT .... .................................. 430 RHEUMATIC FEVER ............................................................ 432 POLIOMYELITIS ................................................................ 432 BRONCHOPNEUMONIA ........................................................... 433 COMMON ANTIGENIC DETERMINANTS BETWEEN BLOOD GROUP SUBSTANCES AND MICROBIAL AGENTS OF DISEASE.......................................................... 433 Plague and Smallpox......................................................... 433 Myxoviruses................................................................ 435 Enteric Bacteria............................................................. 435 MYXOVIRUSES................................................................. 436 OTHER INFECTIONS............................................................. 437 IMMUNIZABILITY AND THE BLOOD GROUPS......................................... 437 RESPONSE TO THERAPY......................................................... 438 LINKAGE OF BLOOD GROUP GENES AND DISEASE SYNDROMES......................... 438 SUMMARY................................................................... 439 LITERATURE CITED............................................................. 439