Analysis: 15 states are keeping COVID-19 breakthrough cases under wraps

State health departments across the country are taking various approaches to how they keep records on COVID-19 breakthrough cases, with 15 states deciding not to publish any data on the rare incidents.

An analysis by The Hill found that 35 states have disclosed some data on fully vaccinated people who later contracted COVID-19. The information ranged from a one-time percentage of residents who experienced a breakthrough infection to weekly detailed overviews broken down by demographics such as age, sex and race.

Figures on breakthrough cases are not available on the health department websites, social media or other publicly accessible sites for the other 15 states: Florida, Iowa, Kansas, Kentucky, Minnesota, Missouri, Nevada, New Hampshire, New York, North Dakota, Ohio, Pennsylvania, South Dakota, Texas and Wisconsin. ...