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The kids are all right: Fewer COVID-19 vaccine side effects

Early this year, Flinders University published a paper that looked at the risks associated with vaccine hesitancy among parents and pregnant women.

In short, these were people worried about the safety of vaccines being given to their children – those getting about on two frisky legs or those still in utero – and they were vulnerable to misinformation and, potentially, conspiracy theories.

(You can read the paper here.)

Some such people will be encouraged by a new report on the extent of side effects in children aged five to 15 who received COVID-19 mRNA vaccines.

A safety surveillance study

Australian children aged five to 15 years have reported fewer side effects in the days following mRNA COVID-19 vaccination than those reported in clinical trials and published safety data.

In other words, in real-life conditions, children are showing good tolerance for the mRNA vaccines, a platform that emerged as a response to the pandemic – and because of its newness, has been at the heart of anxiety among vaccine-hesitant parents.

Researchers from the University of Sydney Children’s Hospital and others analysed 392,268 survey responses – information captured via AusVaxSafety’s national active vaccine safety surveillance system.

The survey covered mRNA COVID-19 vaccine “encounters” between July 2021 and May 2022.


The findings

In children aged five to 11 years:

  • 25 per cent of respondents reported at least one side effect in the first three days after Pfizer 10 micrograms dose 1
  • And 28 per cent after receiving Pfizer 10 micrograms dose 2.

In children aged 12 to 15 years:

  • 32 per cent of respondents reported at least one side effect in the first three days after Pfizer 30 micrograms dose 1
  • 49 per cent after Pfizer 30 micrograms dose 2
  • 34 per cent after Moderna 100 micrograms dose 1
  • And 64 per cent after Moderna 100 micrograms dose 2.

The most common side effects in both age groups were pain, itching, redness and swelling (at injection site) as well as fatigue, headache and muscle/joint pain.

The researchers say that these vaccine side effects were “generally mild and short lived, with most resolving within one day or less”.

They say the rate of side effects reported “was similar across sex and Indigenous status, but increased with increasing age and was higher for children with parent-reported chronic medical conditions”.

Overall, medical attendance rates (visits to the doctor following vaccination) remained low (0.3 per cent) and “overall impact on routine activities was also low (7 per cent)”.

What the researchers say

Lead author Associate Professor Nick Wood, associate director of Clinical Services and Vaccine Safety at the National Centre for Immunisation Research and Surveillance (NCIRS) said: “Australian data analysed to date are extremely reassuring and side effect rates in children aged five to 11 years are below what has been observed internationally for this age group.”

He said that “importantly, fever, which is a concern in children under six years of age due to the potential for febrile seizures, was low in the youngest age group and similar to that seen following annual influenza vaccination”.

He said no self-reported cases of myocarditis or pericarditis were identified in this study and “these data provide confidence to parents on the safety of mRNA COVID-19 vaccines used in Australia”.

Surveillance of COVID-19 vaccine safety in children is ongoing.

The new study containing these findings has not yet been peer reviewed. It has been published as a pre-print.

The post The kids are all right: Fewer COVID-19 vaccine side effects appeared first on The New Daily.


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