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Why vaccine for COVID-19 is difficult …

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Why vaccine for COVID-19 is difficult to prepare and taking so long?

Posted by Anjali Kumari 4 years, 4 months ago

CBSE > Class 09 > Science

3 answers

Kanav Dumra 4 years, 4 months ago

Development of the vaccine takes a lot of time and when there is virus, it takes more time than to make vaccine of other microbes

Raj Vishwakarma 4 years, 4 months ago

Because covi 19 cause due to the virus and we have no antibiotic of viruse even we not hai antibiotic of dengue flu common cold because they arw viruses

Mishty Panchal 4 years, 4 months ago

Development of a vaccine is a long process that can falter at any step. There is also the issue of effectiveness — how the vaccine performs in real-life conditions against efficacy, which is performance in ideal conditions during trials.Once a candidate is identified, its safety and efficacy have to be tested over three phases, as per protocols. A fourth stage involves collection and analysis of post-marketing data.For Covid-19, there are over 100 vaccines being developed across the world now, some from scratch, some from existing molecules developed for other diseases.

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