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VI. PflEVALENCE OF ;JMD CONTROL OVER INFECTIOUS
AND OTHER DISEASES.
Weather Conditions.
Although the weather in London in 1957 was milder than average the
Summer was disappointing, with June the only hot month,
January and February were mild with practically no frost, followed
by a dry March, April and May. March was exceptionally mild and April
sunny but a little cooler than March.
The Summer arrived with the warmest and sunniest June for 75 years.
July brought. heavy rain and much thunder. August, except for the first
few days, wa.s cool, cloudy and very wet, and September also was very wet,
cool and dull. October was fairly dry and mild. November although
stormy at first was mainly dry and without fog.
During the first week of December there was hard frost and persistent
fog. The second week was stormy with very heavy rain especially on the
12-13th. The remainder of the month, including Christmas, was dry, mild
and sunny.
The Easter Holiday vjeekend, 19th-22nd April, began fine and sunny
but by Monday was cloudy and cool, with some rain.
Whitsun, 8-10th Juno, also began well on Saturday but was cloudy and
wet on Sunday evening, improving somewhat by Monday evening.
The August holiday from 3rd-5th was pleasantly warn and dry with
light sunshine and high temperatures.
Notifications.
A total of 1,914 notifications of cases of infectious diseases were
received during the year, compared with 1,324 in 1956, the difference
being, in the main, measles notifications. The diagnosis was not
confirmed in five of the notifications.
Table 14 on Page 64 shows details of notifications received,
together with age groups. A list of diseases notifiable in the County
of London is shown in Table 17 on Page 06.
Cancer.
The number of deaths from cancer of all sites occurring in residents
of the Borough during the year was 249, being 15 more than last year.
Deaths from lung cancer numbered 54, which is 16 loss than in 1956.
The association between cancer of the lung and smoking leaves little
doubt that smoking is a direct cause of lung cancer.
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