Hello, friends.When it comes to getting vaccinated against Covid, you might be wondering one thing.Which vaccine is the best? If you get the option, should you choose Covaxin Vs Covishield Or should you wait for the Russian or the made-in-US Pfizer vaccine Which of these vaccines have minimum side effects I would like to address all your questions and doubts regarding the vaccines in this article.Let’s start with the question about the side effects.
Which type of side effects are commonly seen Covaxin vs Covishield?
When we get any vaccine, the vaccinated area may pain a little or get swollen. These are known as the local side effects.And the other kind of side effects are the Systemic Side Effects.These may include fever, headaches, many people feel fatigued.These last for a couple of days and then they’re fine.In Pfizer and Moderna’s mRNA vaccines these side effects are fewer after the first dose.
But are more common after the second dose.In the AstraZeneca vaccine, the side effects are more after the first dose.And few after the second dose.These are the common side effects but there are some rare side effects of the vaccines as well.
What percentage of people suffer from these common side effects approximately? These are seen in 10-35% of people.For AstraZeneca, it is seen that this combination of fever and headache, etc one out of three people may get this.
does Covaxin have any such side effects?
We don’t know yet, millions of people haven’t gotten this vaccine. So we don’t know about it, it may crop up in future. It may, but most of the inactivated vaccines are generally safe.
Types of Vaccines
| Inactivated Vaccine | Covaxin |
| Viral Vector | Covishield Sputnik V |
| mRNR Vaccine | Pfizer
Moderna |
What is Covaxin ?
A virus is produced in a lab and treated with chemicals to inactivate it.It means that it isn’t harmful to you.And then this virus is used as an inactivated vaccine.This is how Covaxin works.
What is Covishield ?
In Covishield a Chimpanzee Adenovirus is taken.Adenovirus is the name of a family of viruses.The genetic code in the chimpanzee virus is replaced with the genetic code of the SARS-COV2 virus.SARS-COV2 is the virus that causes Covid-19.So a chimpanzee virus that has the genetic code of SARS-COV2 works like a vaccine in your body.This is known as Viral Vector Vaccine.Why? Do you remember the word ‘vector’, friends? Mosquitoes are often called vectors of dengue and malaria
because these mosquitoes carry these diseases and infect us.Similarly, this chimpanzee virus works as a vector.It is getting into our bodies and infecting us with the SARS-COV2 genetic code.So that our body can build up immunity against it.Russia’s Sputnik V vaccine is also a viral vector vaccine.But instead of Chimpanzee Adenovirus it uses Human Adenovirus.
So basically it’s like mRNA vaccines, DNA vaccines and Vectored vaccines all these work by ensuring that the message reaches inside the cells.Instructing how to make the Spike Proteins.After reading this message, the cells make this protein.So Cellular and Humoral (anti-body mediated) immunity are both developed by it.
Covaxin vs Covishield
Another major question that people ask is which vaccine should they choose if given a choice? Covaxin vs Covishield or should they wait for Pfizer to arrive? The Pfizer and Moderna vaccines will not come to India.If they come, that’ll be through donations.And that will be decided by the Government. So we wouldn’t have any choice.The only choices will be Covishield and Covaxin. There will be no other vaccine till August or September.
-Russia’s vaccine may.. Gamaleya may… Gamaleya may come but we do not know the number of doses that the Government will take.How many doses will be imported?How many doses will the Central Government take?How many will the States purchase?Will the private sector get any?We have no clarity as of now.
If we think about the relative advantages and disadvantages You will have to take 2 doses of Covaxin 4 weeks apart.The vaccine’s effect will be after 6 weeks.The entire immunization will be complete and protection will start.And the interim data that we’ve seen till now indicated that there will be 81% protection.
After taking only 1 dose of Covishield the protection is around 70%. For taking the second dose, it is better to delay it as it has better efficacy.We know this because there have been several immunogenicity studies in the UK.In which the immune response has been observed in detail.So it takes time to get both doses of Covishield .Because of the larger interval.But you do get some protection after the first dose.-And the first dose of Covaxin… -Till now…We don’t know about the first dose because it hasn’t been studied yet.So no data.And in the data of Covishield, we’ve seen very rare side effectsbut for Covaxin we don’t know yet and nothing has come up either.
This can be a comparison between the two.But obviously, people should take whichever they’re getting.If we think about which vaccine should we take between Covishield and Covaxin, We should get whichever we’re getting.
Covaxin vs Covishield Efficacy Rate
| Covaxin | Covishield |
| If you apply it in a phase 3 study with Covaxin, it will have a 78% to 100% effect. | If you use this Kovid injection, the effect is 70% to 90%. |
| These injections only apply to people over 18 years old. | Covishield only applies to persons over 12 years of age. |
| The injection should only be performed under medical supervision and do not use anything without medical advice. | We ask that you only use this vaccine under the supervision of doctors and follow the advice of doctors. |
| This injection is given to you for 46 weeks. | You should take a full two or two weeks after 4 to 8 weeks of this second vaccination. |
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