What to do if you lose your COVID-19 vaccine card Allana AkhtarMar 25, 2021, 21:27 IST Covid-19 vaccine cards help you remember when to get your second shot.EJ Hersom, Department of Defense COVID-19 Moderna or Pfizer vaccine. The CDC recommends taking a photo of vaccine cards as a backup, but avoid posting them online. Go back to where you got inoculated if you misplace your paper card. Millions of newly inoculated Americans are walking home with paper vaccine cards containing crucial information about their COVID-19 vaccine. The CDC-issued paper COVID-19 vaccine cards serve as reminders for when to get a second dose of the Moderna or Pfizer vaccine. The CDC is not collecting information on who received COVID-19 vaccines, meaning the paper card also works as proof that you've gotten your shot.