Despite having been vaccinated against COVID-19, Colin Powell remained vulnerable to the coronavirus because of his age and history of cancer — facts that highlight the continued risk faced by many Americans until more of the population is immunized.
, a blood cancer that impairs the body’s ability to fight infections and to respond well to vaccines.
The COVID-19 vaccines are highly effective at reducing the risk of hospitalization and death, and people who are unvaccinated are about 11 times more likely to die from the coronavirus. But the vaccines are not perfect, and experts stress that widespread vaccination is critical to give an added layer of protection to those who are most vulnerable.
“The more people that are vaccinated, the less we have viral spreading in the community, the less chances of people like him getting infected to begin with,” saidMoreover, people with weakened immune systems because of illnesses like cancer — or cancer treatments — don’t always get the same level of protection from vaccinations as healthier people.
Age also is a risk, especially months after someone is first vaccinated. The Centers for Disease Control and Prevention has tracked dips in protection, especially among older Americans who were among the first people vaccinated last winter. The reduced protection is the result of either waning immunity or
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