Why the groundbreaking Yankee Covid-19 cases shouldn’t worry you – fr

Why the groundbreaking Yankee Covid-19 cases shouldn’t worry you – fr

But experts say these cases show the vaccine is working and testing remains a useful tool.

A Major League Baseball spokesperson confirmed to CNN on Wednesday that eight of the nine cases were asymptomatic. Each of the nine was fully vaccinated – it had been at least 14 days since their single dose of the Johnson & Johnson Covid-19 vaccine.

Dr Costi Sifri, an infectious disease physician and hospital epidemiologist at the University of Virginia, told CNN that news from the ball players proves the Johnson & Johnson vaccine works.

“It prevents serious infections among these staff and players with the Yankees,” Sifri told CNN. “The infections that occurred, the so-called rupture infections, were mostly mild to moderate infections. ”

No one in this group was seriously ill or required hospitalization. However, finding so many groundbreaking cases in one place says a lot about testing.

Covid-19 test for MLB

CNN has previously reported on the MLB testing protocol which requires all players and staff to be frequently and regularly tested for Covid-19 to ensure safe play. This testing infrastructure is a surveillance tool that can detect asymptomatic cases that would otherwise go unnoticed by the rest of the population.

In addition to their rigorous Covid-19 testing, the MLB has the unique ability to screen for variants that cause positive cases.

This is because the Utah lab was once used to test for doping by MLB players now only for Covid-19, and can also identify the variants that actually cause these infections.

It’s unclear what tension might be behind the MLB breakthrough cases, but it is an area of ​​investigation.

“At the end of the day, I think the variant we’re dealing with has been pretty aggressive,” Brian Cashman, senior vice president and general manager of the Yankees, said at a recent media briefing.

Expected, but still rare

In the general population, revolutionary Covid-19 infections are rare. As of April 26, 9,245 rupture cases had been identified out of some 95 million fully vaccinated people at the time, the CDC said.

Many of these groundbreaking cases are so mild that as of last week the CDC has stopped tracking them.

“We’re moving from tracking all breakthroughs – including breakthroughs for people with mild illness – to instead focusing on tracking breakthroughs involving people who have been hospitalized or who have died.” , a CDC spokesperson told CNN.

The Yankees’ cases, eight asymptomatic and one mild, would not meet the new criteria.

The agency now says as of May 10, 1,359 groundbreaking cases leading to hospitalization or death were reported to the CDC. By that time, about 115 million people in the United States had been fully immunized.

The definition of a breakthrough case – a confirmed case of Covid-19 at least two weeks after a second dose of Pfizer or Moderna vaccines or a single dose of Johnson & Johnson vaccine – has not changed. What is updated is the data that CDC collects and provides online.

“This was done in order to focus on cases of the greatest clinical and public health importance,” a CDC spokesperson told CNN.

The spokesperson said the change in groundbreaking case reporting would not affect understanding of the vaccine’s effectiveness.

“The CDC is still doing studies on mild infections, so people shouldn’t worry that we’re going to miss important data on mild vaccine breakthrough infections,” the spokesperson said. .

Sifri says the CDC’s change in tracking breakthrough cases indicates that they will be a common part of the post-pandemic world, and that mild to asymptomatic breakthrough cases will be part of the “new normal.”

“What they’re actually doing is downplaying and normalizing the fact that we’ll see rupturing infections,” Sifri told CNN in an interview. “That if there are breakthrough infections that are mild infections or asymptomatic infections, they really don’t matter that much. “

Vaccines provide protection

Experts have long predicted the emergence of breakthrough infections, and real data shows that the vaccine still protects people, even if they are infected.

10 reasons why young and healthy people really need to be vaccinated

“We know that in the rare cases where people are infected after a vaccine, the resulting infection is more likely to have a lower viral load, be of shorter duration and possibly less risk of transmission to other people. ‘others,’ CDC director Dr Rochelle Walensky said during a White House briefing on Covid-19 last week.

It also means that people are unlikely to get very sick. In fact, there were so few viruses present in many groundbreaking cases that the CDC struggled to analyze them.

“What we’re starting to find is… a lot of them were totally asymptomatic. And in fact, when we went to study them and even sequence them, there wasn’t even an adequate virus to do it, ”Walensky told the White House. Covid-19 briefing Tuesday.

With most breakthrough cases not causing serious illness or death, experts want to focus on understanding breakthrough infections that do.

But a revolutionary case can still put unvaccinated people at risk, Sifri told CNN.

“The important thing is whether these mild or asymptomatic cases lead to transmissions to people who are not vaccinated and have serious consequences,” he said, “which only underscores the importance of to get vaccinated”.


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