The graph shows the impact of vaccinations on the incidence of whooping cough, a childhood illness, between 1940 and 1990 in Britain. Summarise the information by selecting and reporting the main features, and make comparisons where relevant.
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The graph illustrates the number of reported
cases
of whooping cough from 1940 to the early 2010s. An immediate downward trend in cases
is evident, despite occasional spikes during certain periods.
In 1940, reported cases
surged to just over 170,000 per year, before dropping to nearly 60,000 cases
five years later. Following the end of World War II, the number of cases
rebounded to levels similar to those at the start of the period under review. However
, with the introduction of vaccinations in the mid-1950s, reported cases
began to plummet significantly. Over the next two decades, this
prevention program ensured that the incidence of whooping cough reached a record low in the 1970s.
As vaccinations started to decrease after
this
period, there was another rise in cases
during the 1980s. This
was followed by a steady decline as the vaccination program was reintroduced in the late 20th century. Near the end of the observed period, we see a record low in reported cases
, coinciding with the highest rate of vaccination since its initial introduction.Submitted by arsyiiimuhammad061 on
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Vocabulary: The word "number of" was used 2 times.
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