Which type of variations in disease frequency are the most common type of periodic fluctuations?
A) Diurnal
B) Weekly
C) Seasonal
D) Annual
Correct Answer:
Verified
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Q18: Which of the following was a national
Q19: Which type of study compares the rates
Q21: Epidemiologists have varying opinions about the usefulness
Q22: The epidemic curve of which of the
Q23: Which type of study is preferable when
Q24: Investigators are usually confident that which type
Q25: In which type of study, cases serve
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