Readers of CNN’s website (4/15/21) saw an alarming headline: “So Far, 5,800 Fully Vaccinated People Have Caught Covid Anyway in US, CDC Says.” Nearly 6,000 so-called “breakthrough” infections—cases of Covid-19 contracted by people after they had been vaccinated against the coronavirus that causes Covid — had been identified in the US by the Centers for Disease Control and Prevention, and “some became seriously ill and 74 people died.” https://fair.org/home/math-is-hard-but-vital-for-understanding-vaccine-risks