Discuss the differences between cohort and case-control studies and use the PICO (T) framework to develop a hypothesis for a cohort study for testing the population in your town for the COVID-19 BA.1 variant.

Discuss the differences between cohort and case-control studies and use the PICO (T) framework to develop a hypothesis for a cohort study for testing the population in your town for the COVID-19 BA.1 variant. Please include information about your town, vaccination rate, steps you would take, etc.