With the help of this microneedle, it is possible to take an injection without any pain. This injection may be effective in the case of the Covid-19 Vaccine. The discovery was assisted by IIT’s researcher Tarunkanti Bhattacharya with his team.
The only reason but also this vaccine is very effective is to take any vaccine. Researchers also say that the small size of the noodles is much smaller than that of the conventional noodles. However, in the case of delivering medicine, the work in New needle is the same as in the previous needle.
For more details: https://www.hindustantimes.com/india-news/iit-kharagpur-develops-micro-needle-thinner-than-a-human-hair-to-deliver-drug-painlessly/story-7QVxgmk1FctyrveMzVnjcP.html#:~:text=While%20a%20human%20hair%20is,animals%20as%20per%20medical%20protocol.