Researchers employed mathematical calculations and up-to-date data on dosing adults to estimate what dose of the COVID-19 vaccination would be safe to test on children. In light of these findings, experts have settled on a safe and effective dose of COVID-19 vaccination for infants and children older than 6 months.
Both the Pfizer-BioNTech and Moderna COVID-19 vaccines are authorised for use in children 6 months to 17 years old. It is recommended that children get three doses of the Pfizer vaccine and two doses of the Moderna vaccine. Everyone aged 5 and up will receive two injections of Pfizer or Moderna.
Pharmaceutical conglomerates such as Pfizer-BioNTech, Moderna, and Johnson & Johnson/Janssen Vaccines against COVID-19 can be purchased in the USA. For those aged 6 months and up, the Centers for Disease Control and Prevention (CDC) advises vaccination against the new coronavirus COVID-19 to reduce the risk of death from its consequences.
How Did the Dosages for Kids Get Set?
Different test doses were used during pediatric clinical trials to find the optimal dose with the fewest adverse effects. Based on the established effective dose in adults, researchers employed elaborate mathematical formulations to calculate two or three test doses to administer to youngsters.
Researchers collect blood during these trials to determine the efficacy of the treatment, any adverse effects, and the immune system’s response to each dose.
There is a delicate balancing act involved in determining the optimal vaccine dose to maximize efficacy while minimizing adverse reactions.
Children’s Dosage Recommendations by Age
Similar clinical trials found that a lower dose of the Pfizer-BioNTech vaccine was 90.7% effective in avoiding symptomatic COVID-19 and creating a significant immune response in individuals.
Children younger than 5 years old should take three micrograms of Pfizer-COVID-19. BioNTech’s Children and adolescents between the ages of 5 and 11 take a dosage of 10 micrograms or one-third of the adult dose of 30 micrograms. Young children benefit from lower doses because their immune systems are so strong. In general, the immune system suffers as a result of aging.
Pfizer vaccinates adolescents and adults at the same dose level. The Pfizer vaccine for adults has an efficacy of 91% up to six months after the second dose and 97% against life-threatening disease.
The COVID-19 Vaccine from Moderna has a dosing schedule that accounts for age. A 25-microgram dose will be given to all children less than six. Doses of 50 micrograms are administered to kids between the ages of 6 and 12. Doses of 100 micrograms are used for those 12 and older, which is the same as for adults.
As previously mentioned, adults in the U.S. can choose from three companies’ COVID vaccines: Pfizer’s, Moderna’s, and J&J/ Janssen’s.
Children’s Vaccine Requirements: How Many Doses Are Necessary?
The Pfizer vaccine is given in a three-dose series to children younger than 4 years old, whereas the Moderna vaccine is given in a two-dose series. Vaccination schedules for children aged 5 and above, as well as adolescents, mirror those for adults. This necessitates administering the vaccine twice, three weeks apart.
To maintain immunization, a booster dose of the COVID-19 vaccine is required, just as it is with other vaccines such as the whooping cough vaccine. Children and adolescents between the ages of 5 and 17 who have already completed the original Pfizer series are now encouraged by the CDC to obtain a booster. Children and adolescents who have already gotten the Moderna vaccine do not need to have a booster shot at this time.
In addition, certain children with impaired immune systems between the ages of 5 and 11 need a booster dose 28 days following their second vaccination. As more information about the efficacy of the vaccination in children becomes available, experts may revise their recommendations for booster shots for children.
Will My Child Get Sick From a Too-High Dose?
Vaccines against COVID-19 are inactivated. Thus, an excessive test dose will not result in a case of COVID-19.
If only part of the viral cell were present, COVID-19 infection would be impossible. Both Pfizer’s and Moderna’s mRNA vaccines only contain a truncated version of the virus.
The viral spike protein is the antigenic target of the immune system’s response to a foreign infection. Therefore, the vaccine exclusively employs this subset of the viral cell.
The CDC reports that a full immunological response is not achieved until two weeks following the second vaccination dosage. After this period, the body will be able to identify the COVID-19 virus thanks to the spike protein on its surface and will begin defending itself against the invading cells.
Although the development of a vaccine against COVID-19 is proceeding rapidly because of the seriousness of the situation, safety must remain the top priority. This is why it has taken longer for the Pfizer vaccine to be made available to kids.
It’s only natural that there will be bumps in the road to this new discovery. Do people react in any way? Absolutely. Such a thing occurs, and word will eventually reach us. However, I believe everyone involved is taking great care.
There is almost no chance of administering the wrong dose. According to her, doctors first assess the child’s weight, liver and kidney function, blood volume, and general health before deciding on a dosage. These specifics are combined with information gathered from adults to determine appropriate doses for testing in youngsters.
Always check with your child’s doctor to be sure a vaccine is appropriate for them based on their specific medical history and any worries you may have.
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