The Journal of hygiene . TABLE I. The opsonic indices obtained by the injection of 100 million staphylococcikilled in various ways. 1 1 o *-2 33 II 3 3OS p u a II|1 -Ja S a 17 BoUed 0-67 0-62 1-40 0-70 110 1-93 2-49 33 Heated 80° 10 0-86 0-65 0-62 0-60 1-20 Died 21 Heated 60° 45 0-86 0-70 0-62 0-73 1-30 1-80 2-92 22 One drop Bactorol 1-00 0-82 0-58 0-52 119 2-20 2-71 per 20 Bacterol 1-1000 0-56 0-51 0-60 0-64 0-92 1-45 213 18 0-7 percent. SodiumFlouride 0-76 0-72 0-63 0-68 0-90 2-00 1-71 12 Ultra-violet Li£ ;ht 1-28 OGl 0G5 005 100 200 2-50 V. E. Taylor 165 IT 81- JCKI


The Journal of hygiene . TABLE I. The opsonic indices obtained by the injection of 100 million staphylococcikilled in various ways. 1 1 o *-2 33 II 3 3OS p u a II|1 -Ja S a 17 BoUed 0-67 0-62 1-40 0-70 110 1-93 2-49 33 Heated 80° 10 0-86 0-65 0-62 0-60 1-20 Died 21 Heated 60° 45 0-86 0-70 0-62 0-73 1-30 1-80 2-92 22 One drop Bactorol 1-00 0-82 0-58 0-52 119 2-20 2-71 per 20 Bacterol 1-1000 0-56 0-51 0-60 0-64 0-92 1-45 213 18 0-7 percent. SodiumFlouride 0-76 0-72 0-63 0-68 0-90 2-00 1-71 12 Ultra-violet Li£ ;ht 1-28 OGl 0G5 005 100 200 2-50 V. E. Taylor 165 IT 81- JCKIJtl SJIJ fZ uonupooiii ojojo{[ .: .- ^j IT BiCwpi ZL 8t JO^B sjq f^. iio\\rt\aoom ojojoji IW tl e^ II •=* oi ? 8t S^ jajju saq tS s noi^Bpiootn aiojag S « fl o IT s io . 2i S ?!^ » 8t ?^ JQ^B sjq :2 uoi-jBjnootn ajojag ?^ » f^ s II o sAvpi o ZL -!S 8f s^ i^^v gjq fg 50 aaojag tl TI SjfBpi ZL 8t Ja^HB sjq f.^^ noi(jBpioom aaopa ^ ^1 II s^^pi • ZL 8t ja^jB sjq f g uoT^Bpooxn 9Jojaa. ooJcpr^-coin-^opcMT-ooiCDb-coiO^i-cooi cbcMCNCNOJCNCNCNOJCMCN O 05 00 h~ CO lO A 6 6 6 6 o K Sterilifiafio)) of Vaccines A. Effects of Heat. The organism employed was a somewhat resistant strain of Staphy-lococcus pijogenes aureus to heat, as heating to 60° C. needed to beprolonged to 45 minutes to ensure sterilisation. The vaccine caused anegative phase lasting three days, the opsonic index falling from 0-86to 0-62 and then steadily rose until it reached 2-92 in fourteen a pronounced negative phase was followed by a well-marked positivephase. A very similar course was followed where the organisms werekilled by heating to 80° C. for ten minutes. At the end of a week,however, the rabbit had a litter of young and some puerperal compli-cation which cut short the determinations. Where the organisms were killed by boiling there was only a slightnegative phase (during which an anomalous temporary rise of theopsonic index occurred) which was followed by a marked


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Keywords: ., bookcentury1900, bookdecade1900, booksubjecthygiene, bookyear1901