How Can You Be Sure That A Vaccine Is Safe?

Thanks to the pandemic, we have all become well informed in terms like vaccines, efficacy, side effects and viruses. So let’s start today’s post with a brief on what a vaccine is. Vaccine is basically a preparation that provides active acquired immunity from infectious diseases. I found this really cool image on the WHO website that explains why we need vaccines.



When you are vaccinated your immune system develops resistance so it can fight against disease.

Now let’s discuss how can we be sure that a vaccine is safe

Vaccines go through a careful testing phase and even once they have been approved and administered to the general population, their effects and problems are monitored. This is the reason we have had some COVID vaccines in the news where their production/administration has been halted due to vaccine

Some people still have some misconceptions that “we don’t need to vaccinate against diseases.”

Let me tell you, please don’t fall into these false notions. Vaccines are critical for us if we wish to fight this pandemic and come on the other side. So if you come under the right age group, please get yourself, or your loved ones vaccinated at the earliest.

What about side effects?

After getting vaccinated many people notice pain or swelling where they got the vaccine. You may also get fever, fatigue, headaches and some other symptoms. This happens because your body is learning to fight. Since ever body is different, every body reacts differently to the jab. Some have no side effects; some have mild and some severe. In case your symptoms persist, you should consult your doctor.

Having side effects or not having side effects does not impact if the vaccine is working. If you have received a vaccine, it will work, irrespective of the kind of side effects you have.

COVID vaccines in India

One of the major developments our country has had in this pandemic situation has been the availability of COVID vaccines. You must have heard of the two vaccines Covishield and Covaxin that are available. But recently, India’s regulatory body approved a third vaccine – Sputnik V.
safe vaccine

To give you a quick lowdown, Covaxin is an inactivated vaccine which means it has dead coronaviruses which make it safe to be injected in the body. It has an efficacy rate of 81%.

Covishield on the other hand is made from a weakened version of a common cold virus which is known as an adenovirus. The effectiveness of this vaccine is 90%.

Unlike other similar vaccines that are based on the adenoviral vector platform, Sputnik V uses slightly different versions of the vaccine for the first and second dose. The idea behind the 2 different formulas is the hope that it’ll give longer-lasting protection. It uses a combination of two different adenoviruses. So, this vaccine effectively enables the human body to safely recognize the threat and generate antibodies to prevent from the viruses. Its efficacy is 97.6%.

Well, as you can see, not only are COVID vaccines safe, they’re also an important tool in our kit to help us fight the pandemic. While masks and social distancing still need to be followed, a vaccine jab may save your life.

So get your facts, consult your doctor in case you have any lingering doubts, and get vaccinated as soon as you can.


April 29, 2021

19 Replies to “How Can You Be Sure That A Vaccine Is Safe?”

  1. Monidipa says: May 10, 2021 at 6:01 pm

    I loved how informative this post is. The information that why vaccination is important is very well explained here.

  2. Hansa Kajaria says: May 10, 2021 at 11:12 am

    This is such an informative post. The vaccination Jab is really important for everyone to take and we are waiting for a slot to get it for ourselves too.

  3. Abha Singh says: May 10, 2021 at 4:50 am

    Very informative post about vaccines. Though I am not in India but my parents in India had first dose of COVID vaccine. I will share this article with others to know more about vaccinations.

  4. Sindhu Vinod Narayan says: May 10, 2021 at 1:51 am

    So very detailed explanation on why should we get vaccinated. Agree or not it is definitely the way to fight the pandemic and need of the hour

  5. Sundeep says: May 9, 2021 at 11:54 pm

    Thanks for sharing useful information on vaccination. I recently book slot and going tomorrow for my first dose.

  6. Rahul Prabhakar says: May 9, 2021 at 11:37 pm

    I would love to take the first vaccination shot once it is available in my area. Your blog has aroused my interest yet again. Right now fighting a pandemic, while also praying for a better tomorrow.

  7. Pamela Mukherjee says: May 9, 2021 at 9:08 pm

    Very detailed post about vaccinations. I really liked the points you covered and highlighted about the sude effects.

  8. Humaira says: May 9, 2021 at 8:21 pm

    Vaccines are the most effective way to prevent infectious diseases. That is good to know information from the right sources.

  9. Raksha says: May 9, 2021 at 3:59 pm

    I took my first jab of vaccine 6 weeks ago. And I took Astra Zeneca (Covishield in India). I did have a few side effects for a day or two and after that I was completely fine. Hope everyone takes the vaccine soon.

  10. Jenifer says: May 9, 2021 at 2:51 pm

    I didn’t knew about this theirs vaccine name until now. Really very informative post & helpful.

  11. Ishieta says: May 9, 2021 at 12:24 am

    This is helpful as it gives clear information on something which has so much of inaccurate information floating around and this explain clearly.

  12. Cindy Dsilva says: May 8, 2021 at 5:46 pm

    Ya the sputnik doesn’t seem to be coming to India as it has a hight efficiency rate. But nevertheless, we are all hoping for the best.

    1. Gurjeet Chhabra says: May 10, 2021 at 11:18 pm

      Sputnik is approved and allowed for Vaccine in India

  13. Docdivatraveller says: May 8, 2021 at 1:34 am

    This is such an informative post! I took my first shot of Covishield 2 months back and now I am scared to go out to take my 2 nd dose!

  14. Sandy N Vyjay says: May 7, 2021 at 8:09 pm

    That is good to know information from the right sources. It is so important to get the right information in these times when there is an information overload on social media.

  15. Sneha says: May 7, 2021 at 4:15 pm

    Im totally waiting for sputnikv vaccine and can’t wait for vaccination

  16. Roshan Radhakrishnan says: May 3, 2021 at 9:42 am

    I sincerely hope everyone will wholeheartedly get vaccinated at the earliest once they become available.

  17. Gurpreet says: May 3, 2021 at 1:54 am

    Very informative. Thank you

  18. Suchita Agarwal says: April 30, 2021 at 2:50 pm

    Loved the image that shows how vaccines work. It’s critical that we understand the science and take informed decisions.

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