London's Pulse: Medical Officer of Health reports 1848-1972
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Hints from the Health Department. Leaflet from the archive of the Society of Medical Officers of Health. Credit: Wellcome Collection, London
City of London 1933
[Report of the Medical Officer of Health for Port of London]
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TABLE SHOWING RATS EXAMINED BY ZONES, SPECIES AND MONTHS.
| Zones | 1933. February | March | April | May | June | July | August | September | October | November | December | 1934. January | Total for whole period. | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Bl. | Br. | Bl. | Br. | Bl. | Br. | Bl. | Br. | Bl. | Br. | Bl. | Br. | Bl. | Br. | Bl. | Br. | Bl. | Br. | Bl. | Br. | Bl. | Br. | Bl. | Br. | ||
| A. | 2 | - | - | - | - | - | 3 | - | 2 | - | 4 | - | 5 | 3 | 3 | 1 | 5 | 3 | 1 | 1 | - | - | 1 | - | 34 |
| B. | 8 | 4 | 1 | 5 | 2 | 3 | — | 2 | - | - | — | — | — | — | — | 2 | 27 | 26 | 17 | 8 | 14 | 10 | - | 1 | 130 |
| C. | — | — | 2 | 1 | 2 | 3 | 5 | 9 | 1 | 3 | — | 3 | 3 | 5 | 3 | 5 | 5 | 10 | 5 | 9 | — | 1 | 22 | 2 | 99 |
| D. | - | - | — | — | — | - | — | — | - | — | 2 | 1 | 1 | 2 | 1 | 4 | — | 1 | 1 | — | — | — | 1 | 3 | 17 |
| E. | — | 1 | 1 | 5 | — | — | 10 | 18 | 5 | 6 | 3 | 1 | 6 | 13 | 3 | 4 | — | 1 | 4 | — | — | — | 3 | — | 84 |
| F. | 1 | - | - | - | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 2 |
| 11 | 5 | 4 | 11 | 5 | 6 | 18 | 29 | 8 | 9 | 9 | 5 | 15 | 23 | 10 | 16 | 37 | 41 | 28 | 18 | 14 | 11 | 27 | 6 | 366 | |
| Totals | 16 | 15 | 11 | 47 | 17 | 14 | 38 | 26 | 78 | 46 | 25 | 33 | |||||||||||||
TABLE SHOWING TOTALS OF DIFFERENT SPECIES OF FLEAS EXAMINED EACH MONTH.
| Species | 1933. February | March | April | May | June | July | August | September | October | November | December | 1934. January | Totals |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| C. fasciatus | 43 | 25 | 10 | 119 | 34 | 25 | 124 | 39 | 142 | 50 | 88 | 78 | 777 |
| L. musculi | — | — | 1 | 4 | 2 | 6 | 29 | 17 | 38 | 23 | 7 | 4 | 131 |
| C. agyrtes | — | — | — | — | — | — | — | — | — | — | — | — | — |
| C. felis | — | — | — | — | — | — | — | 1 | 2 | — | — | — | 3 |
| X. cheopis | — | — | — | — | — | — | — | 2 | — | — | — | — | 2 |
| C. londiniensis | — | — | — | — | — | - | — | — | — | — | — | — | — |
| Totals | 43 | 25 | 11 | 123 | 36 | 31 | 153 | 59 | 182 | 73 | 95 | 82 | 913 |
TABLE SHOWING C. FASCIATUS AND TOTAL-FLEA INDICES EACH MONTH.
| 1933. February | March | April | May | June | July | August | September | October | November | December | 1934. January | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| C. fasciatus index | 2.68 | 1.66 | 0.90 | 2.53 | 2.00 | 1.78 | 3.26 | 1.50 | 1.82 | 1.08 | 3.52 | 2.36 |
| Total index | 2.68 | 1.66 | 1.00 | 2.61 | 2.11 | 2.21 | 4.02 | 2.26 | 2.33 | 1.58 | 3.80 | 2.54 |