Negative effect found in second dose for previously infected with COVID On December 7, 2021 by Silence DoGood Spanish study published in the International Journal of Infectious Diseases finds **Negative effect** of the second dose of the BNT162b2 vaccine in a significant percentage of individuals with previous COVID infection https://t.co/96tMmuevzS— Daniel Horowitz (@RMConservative) December 7, 2021 1-s2.0-S120197122100847X-mainDownload Twitter LinkedIn Email Facebook Messenger Tumblr WhatsApp Pinterest