The line chart below shows the effect of vaccination on the number of reported cases of whooping cough, a childhood disease, in Britain. The data was collected between the years 1940 and 1990.
The graph shows the impact of vaccinations on the incedence of whooping cough, a childhood illness, between 1940 and 1990 in Britain
The graph shows the impact of vaccinations on the incidence of whooping cough, a child illness, between 1940 and 1990 in Britain.
The line chart below shows the effect of vaccination on the number of reported cases of whooping cough, a childhood disease, in Britain.
The graph shows the impact of vaccinations on the incidence of whooping cough, a childhood illness, between 1940 and 1990 in Britain
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.