'Donât post a photo of that vaccination card,' BBB says âDonât post a photo of that vaccination card,â BBB says As more receive the coronavirus vaccine, the urge to share the news and your vaccine card with others grows, but the Better Business Bureau warns you may be doing more harm than good. MILWAUKEE - As more receive the coronavirus vaccine, the urge to share the news and your vaccine card with others grows, but the Better Business Bureau warns you may be doing more harm than good. "I think it’s basically a problem of over-sharing information, especially on the social media networks," said Jared Olson with OnTech Systems, Inc.