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“In the end, this will be very good for vaccines that place so much emphasis on process, safety and review,” said Dr. Campbell.

“In the past, I think people didn’t realize how much scrutiny there was,” severe reactions to a vaccine, Dr Campbell said, or how much attention was paid to the timing. , dose and immune response when a new vaccine is tested.

Regarding the Covid vaccines, Dr Maldonado said: “We are not too specifically concerned about anything with this vaccine, we are just going through normal processes.”

Still, it is possible that young children, who typically have more robust immune systems than adults, may respond more strongly to Covid vaccines. This is why vaccine studies in children look carefully at dosage and immunoreactivity, Dr Beers said: “They often start with a smaller group, give a lower dose of vaccine, test the response, work it up. at the dose needed for an adequate dose. immunity.”

Dr Campbell and his colleagues in Maryland are just starting their first study of the Covid vaccine in children under 12. And no one, he said, should try to convince parents that vaccines are safe and effective in this age group until the data is available: “I have no reason to believe that ‘they won’t be safe or effective, but the proof is in the pudding – I want to see the pudding. “

Getting children to catch up with their regular immunizations makes sense, as it will protect them well if other diseases break out now that the pandemic has lowered the rates of routine immunization of children. Doctors are concerned about a whole list of vaccine-preventable diseases, including measles, pertussis, meningitis, HPV and the flu.

Will Covid vaccines eventually fit into the routine childhood immunization schedule and, if so, at what age? Because the new vaccines are still in an emergency use authorization phase, “No one has answers; we’ll have to see over time, ”said Dr Maldonado.

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