Latest Articles What does the approval of Pfizer's Covid vaccine for teens and preteens mean? By Carmen Heredia Rodriguez • May 14, 2021 Ask PolitiFact and KHN: I’ve recovered from Covid-19. Why do I still have to mask up? By Carmen Heredia Rodriguez • April 16, 2021 Ask PolitiFact: How can COVID vaccines be safe when they were developed so fast? By Carmen Heredia Rodriguez • March 29, 2021 Can vaccination and infection rates add up to reach COVID-19 herd immunity? By Carmen Heredia Rodriguez • March 16, 2021
What does the approval of Pfizer's Covid vaccine for teens and preteens mean? By Carmen Heredia Rodriguez • May 14, 2021 Ask PolitiFact and KHN: I’ve recovered from Covid-19. Why do I still have to mask up? By Carmen Heredia Rodriguez • April 16, 2021 Ask PolitiFact: How can COVID vaccines be safe when they were developed so fast? By Carmen Heredia Rodriguez • March 29, 2021 Can vaccination and infection rates add up to reach COVID-19 herd immunity? By Carmen Heredia Rodriguez • March 16, 2021
