![One family's tragedy from a breakthrough COVID case: "It is very imperative that we still mask up"](https://cbsnews3.cbsistatic.com/hub/i/r/2021/08/16/29fa82a7-88c6-4423-877a-1dc863631f68/thumbnail/1200x630g2/0806edb4e7d073ef6f306b8c8796e36b/angelle-mosley-covid.jpg)
One family's tragedy from a breakthrough COVID case: "It is very imperative that we still mask up"
CBSN
As the Delta variant sweeps across the country, research shows it is extremely rare for people to get COVID-19 after receiving a vaccine – so-called "breakthrough cases" – leading to hospitalization or death.
According to the CDC, 99.9 percent of Americans who have been vaccinated do not get seriously sick if they contract COVID; breakthrough cases make up less than 1% of all COVID cases. Of the more than 168 million Americans who have been fully vaccinated, 1,587 have died of COVID; that's about 0.0009% of all vaccinated people. While it is extremely rare for a vaccinated person to die of COVID, for the families of those who are part of that rare group, it's devastating.More Related News
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