Moderna is developing a hybrid booster vaccine against both Covid-19 and the flu.
A study on the effectiveness of vaccines by the US Centers for Disease Control and Prevention (CDC) found that people who were not vaccinated were 4.5 times more likely to contract Covid-19 than those who had been vaccinated, and were more likely to get sick and need to be hospitalized. 10 times and 11 times more likely to die than people who have been vaccinated
The study looked at more than 615,000 Covid-19 cases from April-July in 13 US states, covering about a third of the US population.
The first study, from April 4 to June 19, found that unvaccinated people accounted for 95% of all infections. Hospital treatment accounted for 93% and mortality was 92%.
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A later study from June 20 to July 17, when the delta strain was the dominant strain in the United States, found a vaccination breakthrough in people who vaccinated and increased Yet 82% of the unvaccinated cases accounted for 86% of those who were hospitalized and 84% died, meaning those who were not vaccinated were at greater risk.
The findings came after President Joe Biden disclosed actions and measures. For millions of Americans to be vaccinated against Covid-19, such as forcing all federal employees to be vaccinated. Measures for employers with 100 or more employees to test the virus every week. This will affect more than 100 million Americans.
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