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
Twickenham 1949
[Report of the Medical Officer of Health for Twickenham]
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Table 35.
Report on the Danger of Infection Spread by Insects
Table 35.
Report on the Danger of INfection Spread by Insects
| Species of Flies | Number of Times Bacteria Found on Species of Insects i | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Calliphora erythrocephala. M. (bluebottle) | Calliphora vomitoria. M. (bluebottle) | Drosophila funebris. Fbr. (fruit-fly) | Fannia canicularis (lesser house-fly) | Lucilia sericata. M. (greenbottle) | Lucilia caesar. M. (greenbottle) | Musca domestica. L. (house-fly) | Sarcophaga haemorrhoidalis. Fin. | Wasps (Vespa vulgaris.) L. | Miscellaneous species | Total | |
| Type of Bacteria found on flies :— | |||||||||||
| Potential pathogens from the Gastrointestinal tract: P. morgani | 7 | _ | _ | _ | 8 | __ | _ | _ | _ | 3 | 18 |
| Ps. pyocanea | 1 | _ | _ | _ | _ | _ | _ | _ | _ | _ | 1 |
| P. vulgaris | 1 | _ | _ | _ | 2 | _ | _ | 1 | _ | _ | 4 |
| Paracolon bacilli | 3 | _ | _ | _ | 1 | _ | _ | 1 | _ | 1 | 6 |
| Potential pathogens from the respiratory tract: Strep, pneumoniae... | 20 | _ | _ | _ | 9 | _ | 1 | _ | _ | 2 | 32 |
| Staph, aureus | 1 | _ | _ | _ | _ | _ | _ | _ | _ | 1 | 2 |
| Non-pathogenic organisms, probably of faecal origin: B. coli type II | 4 | _ | _ | _ | 1 | __ | __ | __ | _ | 1 | 6 |
| B. coli type I (faecal) | 10 | _ | _ | _ | 1 | _ | _ | 1 | _ | 2 | 14 |
| Coliform bacilli of irregular type... | 8 | 1 | _ | 1 | 6 | _ | 2 | _ | _ | 2 | 20 |