How Long After Vaccines Will Baby be Protected (And Why)?

Exact Answer: After 2 weeks

One of the simplest and effective ways of defending children from certain diseases, giving vaccination at the appropriate time. Though immunization contains some risks, it is far better in comparison with serious life-threatening diseases. The natural defense mechanism of individuals is used to build resistance power against infections and diseases.

Similar to other medicines, vaccinations also have some side effects. Fewer times one of the vaccinations is combined with another one to get fewer shots. But as a new parent, vaccines for newborn babies may be overwhelming but it is important as vaccines do not only protect one child but it also eliminates the dangerous infections and diseases which are contagious.

How Long After Vaccines Will Baby be Protected?

Today risky and threatening diseases had become very rare only because of immunizing vaccines which the most effective medicine to date.  Generally, after obtaining vaccines, it takes nearly 2 weeks or more to develop the antibodies in the body which protect you from the diseases for which respective vaccine had been developed.

Though it takes few weeks to generate the required antibodies, it is worth and more effective when an individual is carried out with one or more dosages as more immunizations are good for the body. But your baby will be only partly immunized if they have received two out of three DTP vaccines.

So, when an individual is exposed to the diseases before or just after the vaccine, they may still get sick. Often several doses are recommended depending upon the vaccine, but usually, vaccines require more than one dose for long-lasting immunity and protection.

One point to note is side effects occur because the immune system of the body is triggered to build itself by the vaccination. Few vaccines are designed such that it longs for a complete life span where most require few booster doses periodically. It generally enlarges the immunity which was generated by the first dose and reduces the risk of side effects.

Side effects start nearly around 24 hours after the vaccine and last for 4 to 6 days, but side effects of DTP last for one week. Few babies may also tend to sleep more after immunization and ought to be unsettled during this period.

AgeType of VaccinationDuration to respond
Birth-2 monthsHepatitis B2-3 weeks
2-6 monthsDTaP, Hib, IPV, PCV, RV3 weeks
6-23 monthsInfluenza, Hepatitis B, IPV, DTaP2 weeks
4-6 yearsMMR, IPV, Varicella2 weeks
11-12 yearsHPV, TdaP3 weeks
16-18 yearsMenB1 week

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Why does it take that Long After Vaccination?

For newborn babies, a protection level of antibodies in the body is usually low and vanishes more rapidly which tends to many diseases that can be avoided only with vaccination. Though it does not provide complete immunity once all children get vaccinated, it makes everyone safer, especially for babies.

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The immune system of adults functions more when compared to the immune system of babies of 0 to 5 years as it is immature.  Few series of vaccination is mandatory for few years of children’s lives as during the initial months and years production of antibodies are very low, it can protect from childhood infections.

Hence, more doses are usually recommended and the vaccine is developed according to germs specification which causes diseases. When a baby receives a vaccine, the immune system starts its work to produce the memory cells and required antibodies to fight against the infection. Even when any symptoms are not seen, one of the researches shows that babies of around 10 to 18 months are likely to sleep longer and show a rise in their body temperature after a day of immunization.

The number of vaccination according to the schedule also reduces by the combination of vaccines but still due to continuing the development of versions of vaccines and new risk of diseases, children tends to get many series of immunizations which also leads to change in vaccine schedule. It is always best to make certain protection for the children of lower age by vaccinating them according to the schedule.

Conclusion

Quick immunization results in pain for newborn babies, it can be made comfortable to them by holding the child and soothing them which may decrease the pain. In general, few side effects occur in children like mild fever swelling in the injected site, redness, and soreness. They are also short-lasting and the rate of recovery is very rapid.

There will be no adverse or serious side effects after vaccination. It is normally recommended to follow the schedule as highly as possible. If the history of vaccination is unknown, in such cases, getting an extra dose of vaccine will never be harmful. This will always ensure and keep your baby protected as much as possible.

References

  1. https://www.sciencedirect.com/science/article/pii/S0264410X08017258
  2. https://www.sciencedirect.com/science/article/pii/0264410X95000567
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