Total number 510 100.0 500 100.0 Born deaf 213 41.8 206 41.2 Scarlet fever 43 8.2 47 9.4 Meningitis 36 7.1 40 8.0 Falls 24 4.7 25 5.0 Diseases of ear and throat 13 2.6 23 4.6 Catarrh and colds 13 2.6 -- -- Measles 18 3.5 18 3.6 Brain fever 17 3.3 16 3.2 Convulsions 14 2.8 13 2.6 Abscesses 10 2.0 12 2.4 La grippe 10 2.0 7 1.4 Accidents (not stated) 9 1.8 7 1.4 Whooping cough 7 1.4 7 1.4 Typhoid fever 7 1.4 6 1.2 Diphtheria 6 1.2 6 1.2 Mumps 5 1.0 5 1.0 Paralysis 5 1.0 4 0.8 Marasmus 2 0.4 4 0.8 Pneumonia 4 0.8 2 0.4 Dentition -- -- 2 0.4 Dropsy of blood 2 0.4 -- -- Chicken pox 1 0.2 1 0.2 Poisoning 1 0.2 1 0.2 Intermittent fever 1 0.2 1 0.2 Blood clotting on brain 1 0.2 -- -- Cholera infantum 1 0.2 -- -- Gastric fever -- -- 1 0.2 Sickness (not stated) 10 2.0 8 1.6 Unknown 37 7.3 38 7.6 POSSIBLE ACTION FOR THE PREVENTION OF ADVENTITIOUS DEAFNESS