Which Covid Vaccine is Better Covaxin vs Covishield: Efficacy Rate and Side Effects

The Covid 19 vaccination drive has a long way to go. When we talk about India, there are already half of the people in the total population still unvaccinated. If you too are weighing between two options here we will talk about Covaxin vs Covishield.

If you are indecisive about which one to pick or which one to skip for your or your near and dear ones’ vaccination we are here to help you. This article will discuss, the Covaxin vs Covishield efficacy rate, the manufacturing country, and more.

So after reading this complete article you will be able to decide between the two options and pick one for administration at the nearest facility to you.

Covaxin vs Covishield

The two vaccines coming from different sources and origins have varying degrees of efficacy, with the side effects associated with each coming out to be different.

Since these are being administered in the field, the data regarding each of them is evolving with every passing moment. Nevertheless, with the up-to-date information, you can decide between the two options with satisfaction.

If we are to defeat this menace of the pandemic, it is imperative for all of us to get vaccinated and prevent the spread of this disease. This could only be done when we are fully vaccinated and so are the near and dear ones around us.

Proper vaccination and following precautionary measures are the only options that we have to defeat this contiguous disease. So picking the right dose and type is the first option for you and a good step in the right direction.

What is Covaxin

Covaxin is a vaccine is develop and manufactured by Bharat Biotech, India. It is cure developed by taking the traditional approach, unlike Moderna and Pfizer-BioNTech which are mRNA based.

While the first one is made by using a disabled disease-causing agent, in this case, a Covid-19 virus to stimulate the immune system. This requires two shots administered to a healthy adult with a difference of 28 days.

Image of Covaxin vs Covishield efficacy rate

What is Covishield

To describe it in a perfect way that tells us the Covishield vaccine type too, it goes like this,  “Covishield is a recombinant, replication-deficient chimpanzee adenovirus vector encoding the SARS-CoV-2 Spike (S) glycoprotein. Following administration, the genetic material of the part of coronavirus is expressed which stimulates an immune response in the receiver.”

If you are asking Covishield made by which country. The simple answer is India. Oxford-AstraZeneca vaccine that is made in India by the Serum Institute of India (SII) is called Covishield. Just like that above one, it has a harmless version of a virus named adenovirus which is normally found in Chimpanzees.

This adenovirus contains genetic material from coronavirus added. When this enters the human body the receiving cells make spike proteins the same as the ones produced when the real one enters. This tells the immune system to recognize them respond to the virus if they are exposed.

Covaxin vs Covishield Efficacy Rate

The following table tells us the efficacy rate of both vaccines after going through the comparison you can decide for yourself which Covid vaccine is better and which is not. However, we would recommend for you to go through the side effects comparison as well.

Covaxin Efficacy RateCovishield Efficacy Rate
If applied in a phase 3 trial, it will have an effect of 78% – 100%Its effect ranges from the effect is 70% -to 90%
It can be used for people above 18 years of ageIt is approved for people above 12 years of age
The administration gap between the doses is 4 to 6 weeksThe administration duration for it is 4 to 8 weeks

Covaxin vs Covishield Side Effects

Image of Covaxin vs Covishield Side Effects

Here is a comparison table of side effects for both types of vaccines.

Covaxin Side EffectsCovishield Side Effects
The main side effects are fever, headaches, irritability. Pain and swelling or both at the site of injection.The main effects are tenderness or pain at the site of injection, tiredness, headache, muscle or joint aches, chills, fever, and nausea.
While according to clinical trials other effects include body aches, nausea, fatigue, vomiting, and chills.Other effects include Viral influenza-like symptoms, pain in the arms and legs, lost appetite, etc.
In case of allergic reaction following are the side effects of Covaxin: difficult breathing, a rapid heartbeat, dizziness, weakness, swelling of face and throat, and rashes throughout the bodyWhile some reported drowsiness, dizziness, weak feeling, excessive sweating, and rashes or redness of the skin.

If you have administered a single or both doses of any vaccine, you are eligible for a certificate, here is how you can get yours online.


This is all the essential and necessary detail that you need to know before you give your judgment in Covaxin vs Covishield efficiency and side effect comparison. Based on this date you can easily see for yourself which Covid vaccine is better and which is not.

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