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1929 with its maximum in December; this wave continued into
1930, gradually declining to a minimum at the end of July.
Another wave commenced in November and continued until the
end of the year. In 1931 Chicken fox was prevalent until the
end of June, when the number of cases declined and remained
low until November, when the cases again rose. During 1932 the
incidence remained steady until the end of March, when a rise
occurred, persisting until the end of August. After the vacation
the disease practically died out for the remainder of the year.
Chicken Pox rose during the first half of 1933 to reach a
maximum early in July. It then dropped rapidly and did not
show any signs of recrudescence until the end of November. In
1934 a moderate wave of incidence covered January to the end of
March, and was followed by a sudden rise during May. The
incidence then dropped, but a small rise was manifest in
December. Chicken Pox showed a minor wave during May, June
and July, and a major wave during November and December, the
incidence remaining high till the end of the year. This high incidence
carried over into 1936, but dropped towards the end of
March and remained at a comparatively low level until the end of
November, when there was a transitory rise. During 1937 the
incidence has shown a steady rise during the year, with remissions
in September and October. In November and December
the number of cases rose sharply. The highest number of cases
brought to our notice was 55 during the week ending November
6th.
Mumps occurred in a series of waves from 1924 to 1928
inclusive, but was not at all prevalent in 1929. In 1930, however,
a rather severe incidence was noted throughout the first half
of the vear. In 1931 there was an irregular and gradual decline
thoughout the year, and in 1932 the incidence was very low. The
very low incidence of Mumps continued during 1933 and until
November, 1934; a rise then commenced and continued during
December, indicating the onset of a major incidence in 1935.
The waves showed their maxima in March, 1924; May, 1925;
March, 1926; May, 1927; March, 1928 and May, 1930, and their
minima in September, 1924; September, 1925; September, 1926;
and September, 1927. The major incidence foretold in 1934.
occurred in 1935. The peak was reached in March, when the
high number of 317 cases during the week ending March 30th
was reached. The epidemic continued until the end of July. After
the schools summer holidays, the cases dropped very markedly,
and the rest of the year showed the usual low incidence. During
1936, Mumps incidence remained very low until the end of