A comprehensive study of vaccine side effects found no connection between any COVID-19 vaccine and hearing loss engineering
. The researchers looked for all reports of sudden-onset hearing problems that happened in the three weeks after someone received a vaccine. Since anyone can upload information to the CDC’s database, the researchers only included cases that had been confirmed through clinical testing or diagnosed by a doctor.
Once those data were collected, the researchers compared the number of likely cases — 555 — to the number of people who’d received the vaccine during their study period, the first seven months that vaccines were available. They concluded that for every 100,000 people who received the vaccine, the rate of hearing loss in recently vaccinated people was between 0.6 and 28 cases per year.
One reason some people have been especially concerned about the current vaccine is that two of the most popular vaccines — by drugmakers Moderna and Pfizer — use a relatively new technology calledto prepare the body for future invasion by SARS-CoV-2, which is the virus that causes COVID-19.
They found that people who got the Johnson & Johnson vaccine actually showed a slightly higher level of hearing loss than those who received either of the mRNA vaccines, though all three numbers were below expected baselines. Researchers are still waiting on data to directly compare these symptoms in people who got the vaccine with people who did not get the vaccine, but this large study of the most comprehensive database of vaccine side effects makes it clear that there is no evidence that COVID-19 vaccines cause hearing problems.Stay ahead with the latest science, technology and innovation news, for free:
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