The largest prevalence of Covid-19 is in young adults, the study suggests



A research team at Imperial College Ledge in London used cell phone location data to calculate publicly available information on the spread of the virus to 10 million people and which age groups are most responsible for the spread of the virus in most parts of the US.

Children contributed to a much lower prevalence, the researchers said, as did older adults. This could mean that schools could not contribute to the opening if transmission was controlled among younger adults, they said.

“This study provides evidence that the resurgent COVID-19 epidemic in the U.S. in 2020 was driven by people aged 20-49, and especially those aged 35-49, before and after school resumed, “The team wrote in their report, published in the journal Science.

“Unlike the pandemic flu, these adults accounted for an estimated 72.2% of stork-cov-2 infections in U.S. locations after school resumed in October, 2020, while less than 5% occurred between the ages of 0-9 and 10. Less than 10% of children are adolescents aged 10-19. “

And it could be adults between the ages of 35 and 49 who are the biggest driving factor in the epidemic, as opposed to younger adults, concluded Oliver Ratman and colleagues from the Royal K. College COVID-19 Response Team.

“Prior to the implementation of COVID-19 interventions, peer-to-peer contacts were most common among school-aged children and adolescents, and also common among children / adolescents and their parents and middle-aged and elderly. At the onset of the epidemic, these contact patterns changed significantly. Is, ”the team wrote.

“This study suggests that where the novel highly transmissible SARS-Co-2 lineage has not been established, additional interventions in adults aged 20-49, such as mass vaccination with transmission-blocking vaccines, can control the regenerated COVID-19 epidemic and. Avoid death, “they added.

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They estimated that 35 to 49 people accounted for 41% of the new broadcasts in mid-August, and 20 to 34 adults accounted for 35% of others. The prevalence of children and adolescents is only 6%. 50 to 64 people made up 15% of the transmission.

“Over time, the share of age groups between reported deaths has remained significantly steady, indicating that young adults are unlikely to be the primary source of a resurgent epidemic by 2020, and instead change in mobility and behavior in the broader adult group. Underly Regent COVID-19 aged 20-29 in .S, “the team wrote.

Efforts to control the spread of the virus

Efforts to control the spread of coronavirus – including vaccinations – should probably focus on people between the ages of 20 and 49, the researchers said.

But there is not enough vaccine to vaccinate everyone yet, and the federal government is working with state and local governments to try to vaccinate people in an orderly, fair, and logical way.

Current U.S. for Disease Control and Prevention Guidelines. The centers, at the front of the vaccination line, place frontline healthcare workers and long-term care facility residents. The White House, under both President Trump and Biden, has suggested that states open vaccinations to anyone over the age of 65, as this age group is considered the most vulnerable to death and serious illness from Covid-19.

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Dr. Anthony Fauci, director of the National Institute of Allergy and Infectious Diseases, said Tuesday that the elderly have a higher risk of serious disease, but experts have for some time suspected that the cause of the spread of the virus in the U.S. is young people.

Faki did not abandon the idea that the U.S. should ensure that people between the ages of 20 and 49 should be vaccinated, but noted that older people, especially those with underlying health conditions, should not be vaccinated.

“You don’t want to deprive them of things at a young age, because they are the ones who will be admitted to the hospital and the death toll is high,” Foi told CNN’s Don Limbu. “What we don’t want to do is ignore them.”

George and Washington are professors of medicine at Washington University and CNN medical analyst Dr. Jonathan Rainer said it is important to vaccinate older people, while younger adults should not be behind the line.

“I think for now that priority groups aren’t just working and we have to open it up to everyone,” Rainer told CNN’s Jack Tapper on Wednesday.

“We can now set aside a large portion of vaccines for older Americans, but I think we need to start vaccinating young people for this reason – younger people are the ones who are spreading the virus,” Rainer added.

Currently the U.S. The Moderna and Pfizer Covid-19 vaccines available in provide protection against serious disease, although it is not clear if they prevent virus transmission.

Researchers have suggested that the type of vaccine provided by the vaccine may play a small role in deciding when to take the vaccine.

“Ultimately, everyone has to be vaccinated,” Rainer said. “And if you stop vaccinating older people, you can save their lives because they are more at risk. And if you vaccinate younger people, you can save lives because they are spreading the virus. “

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