What Happens If The Gap Between Two COVID-19 Vaccine Doses Exceed? All Questions Answered

Disclaimer: The aim of the video, article, post is not to dispense medical advice. If you or anyone around you are exhibiting any symptoms do consult a medical health professional.

If you are someone who has been administered the first dose of the vaccine and are trying to schedule an appointment to book the second dose ¡ª but are also afraid that you will miss the stipulated time interval between the doses ¡ª we may be able to answer a few questions that will allay your fears.

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How much gap is ideal between both vaccines?

The time interval between two doses of the Covishield vaccine has been extended from four-six weeks to four-eight weeks, while the second dose of Covaxin can be taken four-six weeks after the first dose, as per news reports. The Centre has also advised people to take the second dose of Covishield between six and eight weeks apart for optimum protection.

However, Dr K S Satish, senior consultant, pulmonology & chest medicine, Fortis Hospitals, Cunningham Road said, ¡°Each vaccine has its own ideal time between dosages. The preferred time between the vaccines for the Covishield vaccine is 6 to 8 weeks. It can go to 12 weeks as well. Covaxin, on the other hand, can be taken after 28 days."

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Why are two doses of a vaccine needed?

Vaccines help to build immunity and thereby reduce the probability of infection. The dosage and the duration between shots depend on the vaccine and the virus. Experts say research shows that one dose is not sufficient to build enough antibodies. After the second dose, there is a good immune response.

What happens if one exceeds the gap?

It is always better to follow the ideal gap recommended by each vaccine manufacturer for the best antibody response. However, there are no side effects even if one exceeds the recommended interval. ¡°If the interval exceeds by more than one to two weeks after the recommended period, then the antibody response might not be as strong as expected¡± Dr Satish adds.

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Are there any side effects, or will the first vaccine dose be of no impact?

Having said that there is no need to start the vaccination cycle again. The first dose of the vaccine will have an impact on your body. Dr Satish suggests, ¡°try to take to second shot as soon as possible without starting a new cycle after missing the recommended interval.¡±

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Even if the gap between two doses increases to 8-10 weeks, in case of any of the two vaccines, beneficiaries can take the second shot and it will still be effective.