A detail photo of the back of a COVID-19 Vaccination Record Card that reads “Reminder! Return for a second dose!” in English and Spanish. At the Berks Cares Vaccine Center in the North Reading Plaza in Muhlenberg Township where COVID-19 Vaccines were being administered by the Berks Community Health Center Monday May 3, 2021. (Photo by Ben Hasty/MediaNews Group/Reading Eagle via Getty Images)