At the beginning of one week, a total of 12 people in a town had influenza. Two people were cured by the end of the week. Then, during the following week, three new people contracted the disease. Which statement is best supported by this information?

Prevalence is the number of people who currently have the disease, while incidence counts new cases. Starting with 12 people with influenza, two recover, leaving 10; then three new people become ill, bringing the total with influenza to 13. Thus prevalence increased, supporting “The prevalence of the flu increased by the end of the second week.”

AI-written and checked against the verified answer.