Experts say current vaccines are still doing their most important job, but they are no longer hopeful vaccines will stop the virus in its tracks, now that it's clear vaccinated people can develop mild disease and transmit illness to others.
July 01, 2022, 12:25 PMA health worker takes a nasal swab sample at a COVID-19 testing site in Los Angeles, July 24, 2020.vaccine rollout, scientists were hopeful it might herald the long-awaited turning point of the pandemic, not only bringing the threat of severe disease, hospitalization and death to an end, but also completely halting the spread of the disease.in December 2020 that if the nation's COVID-19 vaccine campaign went well, the U.S.
The astoundingly high levels of protection against infection that was initially observed, especially for the mRNA vaccines, created by Pfizer and Moderna, have largely dissipated, especially for those with one or two doses combined with extremely transmissible variants. But health experts say that despite mild outcomes for many vaccinated and boosted people, waning immunity and easily transmissible variants, high caseloads have the potential to strain public health systems and put the vulnerable at risk. In addition, long COVID-19 remains a risk, although vaccinated people are less likely than unvaccinated to suffer from it.Although the vaccine's protection against hospitalization remains strong, data collected in the U.K.
Thus, as evolving variants continue to escape protection, Doron stressed that widespread protection against infection is likely unrealistic.Justin Sullivan/Getty Images, FILE Although the FDA’s group of advisers voted earlier in the week in support of moving forward with the new vaccine design, some reminded Americans that these new-and-improved shots will also not be able to offer total protection from mild infections.
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