Page 35.
Table of Notifiable masses. It will be observed that Tuberculosing is not included among these diseases, but in view of its considerable incidence (*.g. in Tung Wah Hospital 656 sasen with a mortality of 50%, see page 24) it would appear desirable that it should be so included in order that, if possible, early infuctions may be removed from insanitary or evercrowded surroundings, the latter being aubsequently disinfected, and advanced onses may be isolated to prevent their acting as continuous seurass of infection.
Page 8.
Refoot of the Vanitary Depp quis.
Rat-catching. Of the total rats caught in Hong Kong [= 76844). 6 only were found to be infected with plague - Lean than 0.0082, and in Kewisen where $2,452 were caught, 19 were in- fected - less than 0.06%, These are surprisingly low figures in view of the statment on page 8 of the Medical Report that 1181 onses of plague were sertified during the year.
fage &
kostuite prevention. In view of the known presence of Stegenyia fasciata in Visteria and the Kowisen districts (see page 18 of Hedion) Report), and the importance of this mesquite from its connection with yellow fever in other parts, steps should be taken to minimise or do away with its breeding
pluses, wherever possible. Its well known habits as a
semi-domesticated mosquite indiante the lines on which steps
should be taken. Thorough house-to-house inspections at
regular short intervals should be made by Banitary Inspecters
in their districts to ensure that all receptacles used for the
storing of water are covered and protasted from rocess for the
deposition of aggs, and that exves-gutters and rain water
pipes etc. shall not wontain residual water in which mosquitos
may breed. "Konquite-larvae Indexes", showing the percentage of infested to uninfested houses should be prepared and issued /
sash district by the Sanitary Inspecters in charge, in
quarterly
That an active control may be instituted and maintained.
Action in this respect appears to be possibib17
under the Bye-law "Prevention of the Dissemination of Dinenne by Mosquitoes, of The Public Health and Buildings Ordinance (No. 1 of 1903).
Page 9. Vaccination & Page 63. Small fox. The usted that a form of confulsory vaccination is in force, but us figures are givan
to
RAFT. show the fofortion of known successful
fuk canes among these vaccinated (see also Appendix H. paze
27)6
Such figures would have been interesting in connection with the special campaign in January when, within twenty two days, the very large number of 126,000 persons were MINU vaccinated, some apparently by non-medical hands.
As regards Small fox, the table on this pagefappears
to indiente the distinct vnius of vaccination in the arrest af
Buxll Pox, since following the epidemie of 1916-17, when MONO
300,000 Chinese ware vaccinated, the dinoone was limited to
almost nor nal figures in the ensuing three years, It will
H., be of interest to observe from future Reports the relative
C. 1
G.
W. i incidence of Small Pax after the vaccination of 127,300 persons
j0rmin 1922,
Duke of Devonshire.
29,
100%%% of Medical Officer of Health.
It is clear that the floating character of the
population of Hong Kong, especially among the Chinese, must prevent the formation of reliable Fealth Statistics, while de incomplete registration of Chinese births, renders impossible the calculation of the Infantile Mortality. Such figurOI 28 ATE
available, however, show a Chinese birth-rate of 6,25
while the death-rate is as high as 25.47 p.x. (pages 42–43),