A prospective cohort study of COVID-19 vaccination

Cohort study in the COVID-19 context The questions below refer to the article “A prospective cohort study of COVID-19 vaccination, SARS-CoV-2 infection, and fertility” by Wesseling and colleagues, published in the American Journal of Epidemiology in 2022. https://doi.org/10.1093/aje/kwac011 (Links to an external site.) Do not be concerned if you have trouble following the statistical methods. For now we will focus on the basic study design. This is a real-world, recent, messy paper. Do not be discouraged if the answers are not immediately evident; keep digging and reading. What was the study population? Be sure to mention inclusion/exclusion criteria. What was the main exposure(s)? You do not have to list them in detail; a high-level summary is appropriate. What was the main outcome(s)? You do not have to list them in detail; a high-level summary is appropriate. When and how were they measured? What was the main objective or research question? The authors correctly labeled their work as a prospective cohort study. What makes it prospective? What would be the advantages and disadvantages of investigating the same research question using a retrospective design? From the data given in Table 2, fill in the empty cells in the following table. In the