Why is Covid-19 vaccine taking too long?

Although Russia has already announced the development of world’s first Covid-19 medicine, the debate around its safety and sustainability is still going around. U.S has issued a statement telling that the world including U.S has been waiting for a ‘safe’ vaccine and not really the ‘first vaccine’. So why is that the vaccine isn’t claimed as safe?

The main reason behind it is that vaccines take a lot of time in development. We need to understand that vaccine is something which can have both negative and positive impacts, depending on a lot of factors.

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Which is why, the development takes place in stages.
According to the Times of India, vaccine development is done in 5 Stages. These are as below:

1. Exploratory stage
2. Pre-clinical stage
3. Clinical development
– Phase I
-Phase II
-Phase III
-Phase IV
4. Approval stage
5. Manufacturing process

The vaccine produced by Russia hasn’t undergone all the three trials. Since the last trial has to be done on thousands of people and the consequences or impact has to be noted in long-term, it skipped the procedure and has got approval despite the lack of study on its impact. Therefore, there is no guarantee that it is safe or will not have any long term-consequences.

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Aastha Kochar

Aastha Kochar

A freelance content writer who specializes in writing long-form articles that generate traffic for health and wellness, lifestyle and digital marketing brands.

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