(Continued from page 238.)
A number of substances have been tried with somewhat. inconclusive results, It would. seem,, however, thay carbon-tetrachloride''in certain mixtures rendered" a" pyrethrum spray slightly more toxic, In addi: ton, owing to the prevalence of typhoid, a certain amount of experi= mentation took place in. regard to fly killing sprays and ily' poisons. Finally, an interesting and successful experiment was made in regard to the use of coconut all combined with the use of killing sprays as a method of freeing quarters from bug intos: tation, It is considered that the system evolved proved a useful and Felatively cheap method of rendering bug-ridden quarters less free, If nol absolutely free, from bugs, Vaccination and Inoculation The sanitation section reports also covers the vaccination and macula ton fields—208,741 persons" were -vaccinated against smallpox as com: Pared with 327421 in 1035, The high proportion of children brought to the various branch health offices who have previously been successfully vaccinated implies a degree of confidence on the part of the parents who now seem to realize the value of revaccination as @ pro phylactic measure, No less than 192,043. persons were inoculated against cholera compared with 198,331 in 1035. "In "addition 31,993 second doses were administers ed. This comparatively "poor" res: ponse is probably accounted for by the absence of cholera during the ast three years and consequent in: difference of the community.
The usual work of the department the matter of fly reduction was carried out. The glass fly traps Me stalled in food shops and fruit stalls last year continued to give useful results, Many experiments were carried out with different. types. of fy raps and lethal insecticides, but the glass bottle fly trap proved easily the best, Miscellaneous, The department maintained a watelful eye on no fewer than 5,077 Licensed premises, all of these being, Inspected at least once month while nuisances and offensive trades also came in for attention, No case of plague amongst either human beings or rats occurred, Although plague has been absent in the Settlement for the last ten years, prevention measures are carried on by the department "ox a standing routine and 16,785 rats found dead, were sent to the Laboratory for examination and 56,337 rats were tapped by 26 trained ratters, An important advance in depart mental publicity activities. was" the Introduction of radio broadcasts, the initial talk, "Smallpox and Vaceinae tion" in Engtish, Japanese and Russian, being released early in October, This met with such a favourable response as to warrant extension to other relevant topics.
New slides were prepared on smallpox and. vaccination, and. were, by courtesy of the managements concerned, (to whom the thanks of the department are due) exhibited at the various cinemas.
Several thousand copies of the department's health booklet, in Chi" hose, Japanese, English and Russian, were distributed. "A revised edition is now in preparation. Pamphlets on rabies, malaria and smallpox, were Gistributed among cinema audiences, whilst similar literature and. posters were supplied gratis to various tories, hospitals, missions and schools
Text read from the printed page and cleaned; old type leaves the occasional error.