During March of 2020 an outbreak of 83 confirmed food-poisoning cases were found in Miami. The primary outbreak were identified as individuals with laboratory-confirmed food-poisoning and a symptom onset between March 10th and April 14th 2020 from those living or visiting the impacted city. 50 primary cases and 52 controls matched for sex and age were enrolled. 82 percent of cases and 60 percent of controls ate ice-cream from a specific shop.

2. Make a 2x2 table for the case