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Vaccine Queue Calculator for India

Created by Aleksandra Zając, MD, Farhan Khan and Dominik Czernia, PhD
Reviewed by Steven Wooding
Last updated: Jan 18, 2024

This calculator was last updated on 23rd February 2021. It is currently not updated on a regular basis.

India just began the biggest vaccination drive in history. Vaccinating 1.3 billion people across 33 states doesn't seem to be an easy challenge at all. As all the state governments unite to make this massive task as seamless as possible, the central government has decided to prioritize the first doses of vaccination to the COVID warriors 👩🏼‍⚕️, senior citizens 👵🏼 and those under 50 with health conditions.

The biggest question on millions of minds right now is - When will I get one? ⏳ The Vaccine Queue Calculator - India is here to help you see a clearer picture. This tool will estimate how many people are ahead of you in the queue to get a COVID vaccine. It also predicts how long you might have to wait to get your vaccine. By using our tool, you'll have a better idea of when you can expect to get vaccinated.

We've based our vaccine queue calculator on the Ministry of Health & Family Welfare guidelines and the likely rate of vaccination. Keep reading to know how these calculations work 🧐.

Who gets the vaccine first? - The priority list

It's great that we now have COVID vaccines that have been approved for general use. However, that's not the end of the COVID story just yet. Millions of doses of vaccines now have to be produced and injected into the arms of people. That is one massive manufacturing, logistical, and time-consuming task for everyone involved. It is all going to take time.

The Indian government has published a priority list of groups that will get a COVID vaccine in the first phase. Let's take a look at the list:

  1. Health Care Workers (HCWs): Health care providers and workers in health care settings (public andprivate), including ICDS workers.
  2. Frontline Workers (FLWs): Personnel from State and Central Police department, Armed Forces,Home Guard, prison staff, disaster management volunteers and Civil Defense Organization, Municipal Workers and Revenue officials engaged in COVID-19 containment, surveillance and associated activities.
  3. Population ≥50 years of age and <50 years with co-morbidities like diabetes, hypertension, cancer,lung diseases etc. The former group may be further sub-categorized into 50 - 60 years and > 60 years groups.

Age considered as on 1 January 2021 identified by the latest electoral roll for Lok Sabha and Legislative Assembly election.

You may want to refer to our vaccine production calculator to understand the struggles for producing COVID vaccines during the pandemic.

COVID-19 vaccines in India

There are currently two vaccines to be administered in India - Covishield (a local name for Oxford-AstraZeneca vaccine) and Covaxin - a product of Bharat Biotech, a pharmaceutical company based in India. Both of them were approved by the Drugs Control Authority and given the green light to be widely administered in the country.

Like all of the currently used COVID-19 vaccines, Covishield and Covaxin need to be given twice. There's no simple mathematics there, and you cannot say that first dose gives you 50% of the immunity and the second - second half of the immunity. Instead, they work as a team - the first dose gives you some level of immunity, and the second is a booster.

The results of two doses are worth the effort of going for the jab twice. In the clinical trials, Covishield has shown around 70% efficacy (60-90%). The data for Covaxin is not yet provided, but in animal models, the efficacy was simply 100%.

How to use the vaccine queue calculator for India?

Follow these steps to calculate your likely place in the COVID vaccine queue. The first section is all about you:

  1. Select India's state you're living in. The Government of each state has announced their vaccine rollout phases, including the number of people in priority groups and in how many centres the vaccine will be distributed. In some cases, this information is not yet or not fully released, so, we decided to make rough estimations based on other states' available plans.
  2. Enter your age in years. Generally, the older you are, the sooner you'll be called up to have the vaccine.
  3. Say whether you are a health care worker. This group includes front line health and ICDS workers, nurses and supervisors, medical officers, paramedical staff, support staff, health students.
  4. Are you a frontline worker? By that, we mean personnel from the police department, armed forces, prison staff, disaster management volunteers, Civil Defense Organization, municipal workers, revenue officials engaged in COVID-19 containment, surveillance and associated activities?
  5. Do you have any co-morbidities like diabetes, hypertension, cancer, lung diseases etc.?
  6. Are you pregnant or breastfeeding, or are you planning to be in the next three months? If the answer is yes, the vaccine will not be offered to you due to the lack of data confirming the vaccine's safety during pregnancy. It may change in the future, as more data will be gathered.

You will then see an estimate of the minimum and the maximum number of people who are inline to receive the vaccine before you. We also indicate how long it might be before you get both doses of the vaccine and be fully protected, based on the vaccination rate. By default, we base these figures on a vaccination rate announced by the states' governments, and a default uptake rate of 80%. If you want to change these values, you can do it in the Rollout of vaccines section. Click the advanced mode button to set the number of centres and how many vaccines a day can one centre give.

We know that waiting to get the vaccine might be frustrating. However, by prioritising those people that are most at risk of hospitalisation and death, we should quickly be able to save lives with this fantastic new weapon against the virus.

Who shouldn't be vaccinated?

COVID-19 vaccination is not recommended only in one case which is children under 16 years old 👶👦👧

It shouldn't surprise or raise any doubts, since new drugs are usually tested on adults first. However, with more available studies, these contraindications might change.

If you want a tool to help you discover the dosage of a drug that is still present in a patient's system, then we suggest the drug half life calculator.


Are COVID-19 vaccines safe?

COVID-19 vaccines used in India - Covishield and Covaxin - have been approved by the Drugs Control Authority and passed all their safety tests. There are considered 'two of the safest vaccines' by Dr VK Paul, a member of NITI (National Institute for Transforming India). However, as with any approved drug on the market, you may experience side effects. Generally, though, the risk of side effects is much smaller than the possible consequences of a nasty COVID-19 infection.

These side effects include pain at the injection site, tiredness, headache, muscle pain, chills, joint pain, and fever. Some people might also have injection site swelling and redness, and nausea. Very rarely, people feel unwell and have enlarged lymph nodes.

How many shots of the COVID-19 vaccine will I need?

Nearly all COVID-19 vaccines approved or under development need two shots to be effective. The vaccines used in India are no exception.

The doses need to be around 4 to 12 weeks apart, depending on the vaccine. For example, you need to have the two Covaxin (Bharat Biotech) shots 28 days apart, while the Oxford/AstraZeneca vaccine (Covishield) can be up to 12 weeks apart.

I'm pregnant or breastfeeding. Can I vaccine myself?

Currently, clinical trials have not yet provided data on the safety of COVID-19 vaccines in pregnant women. While it is a normal stage of medication's life, it raises a lot of doubts. The health ministry published a letter in which states that the Sars-CoV-2 vaccine will not be administered to a pregnant and breastfeeding woman. The same applies to children under 18 years old - there are no trials confirming safety in those groups; therefore, the decision to take precautions was made. It may change in the future, while more data will be provided.

Do I still need to wear a mask after I am vaccinated?

Yes, you need to wear a mask. At this stage, it is still unclear whether the current vaccine will also prevent the transmission of the virus to people around you. It is similar to the current situation where people have COVID-19 but suffer no symptoms. However, they are still able to transmit it to others. It may be only until a good majority of people have been vaccinated that restrictions to our daily lives are lifted.

For flu, experts say the herd immunity should be achieved when around 70% of the population gets vaccinated, so that is the current working theory for COVID-19.

If I've had COVID-19, do I need to be vaccinated?

Yes. If you have had COVID-19, then your body will have some natural immunity to it, preventing you from suffering from it again. However, some early evidence suggests this natural immunity might not last very long. While we also don't know precisely how long the vaccine's protection lasts, it could be better than your natural immunity. It will undoubtedly extend the time you are resistant to COVID-19.

Will there be enough vaccine for everyone?

Certainly not at the moment, but eventually, yes. Serum Institute Of India, the world's biggest manufacturer, is producing more than 50 million doses a month and is planning to speed it up twice! As further vaccines are approved and manufactured, more supply will come on stream to meet the world's demand.


18th January 2021

  • The publication of the vaccine queue calculator for India.

19th January 2021

  • Fixed the bug showing too early expected vaccination date for healthcare workers.

20th January 2021

  • Changed the "Pregnant? 🤰" question to "Pregnant or breastfeeding? 🤰".

26th January 2021

  • A current number of vaccinated healthcare workers are included in the calculations according to the numbers provided by the Ministry of Health and Family Welfare.

3rd February 2021

  • The vaccination rate is now based on the daily average of vaccines given in each India's state for the last two weeks. The appropriate data are collected from the Ministry of Health and Family Welfare COVID-19 Vaccination updates (source:
Aleksandra Zając, MD, Farhan Khan and Dominik Czernia, PhD
This calculator estimates where you are in the queue to receive a COVID vaccine in India. 💉

It is based on the priority list released by the India government.
About you
Where do you live?
In Delhi, it is planned to vaccine:

• 3,00,000 of health care workers
• 6,00,000 of frontline workers
• 42,00,000 of people ≥50 and <50 with comorbidities

in the first phase. The actual vaccination rate in Delhi is about 13,714 a day, what gives at least 138 vaccination centres available if we assume each of them can give up to 100 vaccines per day.

In Delhi, the cumulative number of people vaccinated against COVID-19 has crossed 3,18,343 according to Ministry of Health and Family Welfare update on 23rd February 2021.

This figure is based on: source. If you have a more recent data about your state, please share a source with us so we can improve the calculator even more:
Are you health care worker? 👩‍⚕️
Are you frontline worker?
Do you have any co-morbidities?
Pregnant or breastfeeding? 🤰
Rollout of vaccines
Vaccination rate
Time to vaccinate everyone
Assumed uptake
Your vaccine queue results
Based on your profile, there are between 47,81,700 and 1,46,76,100 people in front of you in the queue for a COVID vaccine across Delhi.
📅 Given a vaccination rate of 95,998 a week and an uptake of 80%, you should expect to receive your two doses of vaccine and have maximum protection by between mid July 2026 and early July 2030.
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