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Covid Vaccines Reduce Death Risk For Kids ‘Regardless Of Variant’

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Covid Vaccines Reduce Death Risk For Kids 'Regardless Of Variant'

(CTN News) – A recently published study has found that vaccination against the SARS-CoV-2 variant Covid-19 provides the most protection against dying from the illness, regardless of which variant of the virus is circulating at the time of vaccination.

In a study published in the journal PLOS One, authors from Argentina found that Covid-19 vaccines were less effective at preventing infection with the Omicron variant of the virus compared to the Delta variant, and that this protection slowly waned with time.

Whether the dominant strain of the virus was in circulation or not, the vaccine was highly effective at preventing death. This was no matter what the predominant strain of the virus was.

The Covid-19 vaccine will be offered to adolescents aged 12-17 in Argentina starting in August 2021, using the mRNA vaccines developed by Moderna and Pfizer-BioNTech, which are used as part of the vaccination for children aged five to seventeen in the UK.

In October 2021, the inactivated Sinopharm vaccine that is not available in the UK will be rolled out in Argentina for children aged 3-11, with the aim of preventing polio outbreaks.

The researchers used national surveillance data for Covid-19 in Argentina to identify more than 139,000 children aged 3-17 who tested positive for the virus between September 2021 and April 2022.

According to the study, which was published in the British Medical Journal, each positive case was matched with an age-matched control who had tested negative.

The researchers then used registry data to compare the rates of vaccination between the cases and the controls in order to determine whether the covid-19 vaccination was effective in protecting against infection by the virus in the cases.

At the beginning of the testing period, the Delta variant was the predominant form of SARS-CoV-2 virus in circulation, while by the end, the Omicron variant was the dominant form of the virus in circulation.

In the study, the researchers found that adolescents who had been given two doses of the mRNA vaccine would have a nearly 70% reduction in the risk of becoming infected with Covid-19 when Delta was the dominant variant, but that this would drop to only 26% when Omicron was the predominant variant.

It has been shown that children aged 3-11 who received two doses of the Sinopharm vaccine had a 61% reduced risk of infection when Delta was dominant, dropping to 16% when Omicron was dominant.

Furthermore, the effectiveness of the vaccines has waned over time, with the reduction in risk of infection among fully vaccinated adolescents during the Omicron wave falling from 56% within 30 days of receiving a second dose to 12% after 61 days or more.

Additionally, the risk of infection has decreased from 38% to only 2% in children aged 3-11 over the same period of time.

Separately, the researchers compared the vaccination records of 44 children who died from covid-related illnesses with those of a matched group of controls to analyse the vaccination data of 44 children and adolescents.

No matter what the dominant variant was, the researchers found that vaccination provided very strong protection against mortality regardless of whether it was delta or omicron.

A study found that adolescents between the ages of 12-17 who received two doses of an mRNA vaccine had a 98% lower risk of dying of covid during the omicron wave, while children between the ages of 3-11 who had received the Sinopharm vaccine had a 67% lower risk.

According to the study authors, vaccination of children is an important public health measure that can prevent mortality in this population, especially during periods of high viral circulation, when mortality can be high.

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