What was the prevalence of HSV infections over the four year period? Express you

Question

What was the prevalence of HSV infections over the four year period? Express your answer per 1 000 people.

Consider the following information and data to answer the questions that follow A study was done to investigate the occurrence of cold sores, caused by HSV, among cigarette smokers as compared to E-cigarette users. The study was performed over a 4 year period among 1000 cigarette smokers and 2000 E-cigarette users. At the beginning of the study each individual was screened to verify the presence of latent HSV, an incurable infection. Total cases Year of E-cigarette study Cigarette 20 30 2 105 40

Explanation / Answer

Q5 The cumulative incidence of HSV infections over the four year period expressed per 1 000 people is:

Cigarette:

= 20+40+45+100

= 205

ECigarette:

=30+ 105+140+210

=485

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