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Indian scientists working on 1st ever dengue DNA vaccine

Indian scientists working on 1st ever dengue DNA vaccine This is the second dengue vaccine candidate from India.(Reuters file photo. Representative image) Updated on Sep 28, 2021 04:25 AM IST By Anonna Dutt , New Delhi The world’s first DNA vaccine was approved for use in India recently. Developed by the Ahmedabad-based Zydus Cadila, ZyCoV-D is, as the name indicates, is a vaccine against Covid-19. Now, some researchers believe the technology -- considered superior because DNA vaccines are easier to make and store, and, most importantly store an enormous amount of information -- can be used to develop a vaccine for another tropical disease, dengue, a viral infection transmitted by mosquitoes. “We know that there are four serotypes of the virus, but what we found was that there were genetic variations within the serotypes -- any sequence with over 6% difference is considered to be a different genotype. So, the team created a consensus sequence that is the same across the genotypes as we...