An important vaccine caution for people who carry EpiPens

The UK has started administering the Pfizer COVID-19 vaccine, and regulators there have issued a warning because two healthcare workers had allergic reactions to it. Now, officials are telling people with a history of serious allergic reactions not to get the vaccine. Dr. Annette Reboli, Dean of the Cooper Medical School of Rowan University and a physician and infectious disease expert joins KYW Newsradio In Depth to explain what this means and who should be paying attention.