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COVID exacerbates asthma in children.Post-infection boosters are less beneficial than Omicron

COVID exacerbates asthma in children.Post-infection boosters are less beneficial than Omicron

 


On January 28, a child opens an inspection swab at his desk and inspects COVID-19 with a cotton swab to prevent the spread of coronavirus disease (COVID-19) in a classroom at the South Boston Catholic Academy in Boston, Massachusetts, USA. To do. 2021. Reuters / Allison Dinner

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May 2nd (Reuters)-The following is a summary of some recent studies on COVID-19. They require further research to support the findings and include studies that have not yet been certified by peer review.

COVID-19 exacerbates asthma in children

Doctors warn that asthma in children can get worse after being infected with the coronavirus.

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They studied about 62,000 US children with asthma who underwent PCR testing for the virus in the first year of the pandemic. Of these, more than 7,700 were positive. Researchers said that infected children had significantly more asthma visits, hospitalizations, emergency inhaler use, and steroid treatment for 6 months after illness than children with a negative test result and a history of themselves. Reported. Journal of Allergy and Clinical Immunology: In Practice.. Children who tested negative for the virus said, “For the next six months, asthma control has improved, which means less emergency outpatients and hospitalizations for asthma and less treatment for asthma.” Dr. Christine Chow of Children’s Health in Orange County, California, said.

She said the results of previous studies showing improved asthma control in the early stages of the pandemic were likely due to public health measures such as staying at home and masking that reduced exposure to asthma triggers. Despite the overall impression that children with asthma were successful in the first year of the pandemic, Chou added, a new study shows “the longer-lasting harm of COVID to asthma control in children.”

Post-infection boosters add little additional benefit compared to Omicron

Third dose of mRNA vaccine from Pfizer among people who have previously been infected with the coronavirus (PFE.N)/ BioNTech (22UAy.DE) Or modern (MRNA.O) New data suggest that the virus may not enhance its defenses against Omicron variants.

Researchers surveyed approximately 130,000 people who were tested for COVID in Connecticut between November 2021 and January 2022. This includes 10,676 people with Omicron infections. According to the report, about 6% to 8% were infected with previous versions of the coronavirus. Report posted on medRxiv Prior to peer review. Margaret Lind of Yale University said that the two mRNA vaccines helped protect previously infected people from Omicron, but “the additional benefit of receiving a third boost in this population is: It was not detected. “

Another study from Canada Posted on medRxiv Prior to peer review, we also discovered that two or more vaccinations “may be a slight increment” to protect previously infected individuals from Omicron. “(1) You need to get two mRNA vaccines, whether or not you have been infected in advance, and (2) you need to give a booster to those who have not been infected in advance,” said Lind. 3) Previously infected individuals may need to consider booster immunization, especially if they are in a group at high risk of life-threatening complications, but may not provide significant additional protection against more than one infection. Please be aware that there is sex. “

Click Reuters graphics About the vaccine under development.

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Report by Nancy Rapid; Edited by Bill Berkrot

Our criteria: Thomson Reuters trusts the principles.

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2/ https://www.reuters.com/business/healthcare-pharmaceuticals/covid-worsens-asthma-children-booster-after-infection-not-beneficial-vs-omicron-2022-05-03/

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