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Chapter: 1 / Q: 11
A village has total of 100 under-five children. The coverage with measles vaccine in this age group is 60%. Following the occurrence of a measles case in a child after a visit outside, twentysix children developed measles. The secondary attack rate of measles is:
Chapter: 1 / Q: 12
If an epidemiologist while investigating an epidemic makes a graph to plot distribution of cases of disease by the time of onset and gets a polymodal distribution curv The most likely disease is:
Chapter: 1 / Q: 13
10 cases of food poisoning had been reported in hospital, 2 out of these developed mild gastrointestinal symptoms, 4 developed moderate dehydration but recovered and 2 succumbed to the disease. The characteristic of the organism of food poisoning that produces the severest form of the disease is:
Chapter: 1 / Q: 14
Public Policies in Pakistan aim at avoiding the underlying reasons for the development of environmental and atmospheric concentration of SO2 to protect the health of peopl It?s an example of
Chapter: 1 / Q: 15
The number of deaths due to diarrhoea, total cases of measles, total number of accidents and the total number of drug addicts were to be reported by a researcher. The best title given to all of this data would be:
Chapter: 1 / Q: 16
When total number of deaths due to measles is presented in relation to the total cases of measles, it is best labeled as:
Chapter: 1 / Q: 17
Japanese have a higher rate of stomach cancer and a low rate for colon carcinoma than the U.S. However third generation descendants of Japanese immigrants to U.S have rates of stomach & colon cancer like that of U.S. This particular characteristic supports effects of:
Chapter: 1 / Q: 18
Influenza pandemic occurs after every 7 – 10 years. This kind of disease distribution in time is known as:
Chapter: 1 / Q: 19
If the age incidences curve of leukemia shows two peaks it is suggestive of bimodality. Bimodality usually signifies:
Chapter: 1 / Q: 20
A doctor is required to study the incidence of silicosis in a stone cutting industry, which study design should he choose:
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