Painless vaccine patch

Microneedle Patches for Flu Vaccination Successful in First Human Clinical Trial

Question: A painless vaccine patch was recently developed to provide flu vaccines. Which of the following statements are correct about the vaccine patch?
(1) It contains 100 tiny microscopic needles with vaccine.
(2) It does not require refrigeration.
(3) This vaccine may be stored for 1 year.
(a) 1 and 2
(b) 1 and 3
(c) 2 and 3
(d) All three statements are correct.
Ans: (d)
Related facts:-

  • According to a research published in the journalthe Lancet on June 28th, 2017, Professor Mark Prausnitz of the Georgia Institute of Technology has developed a painless patch that can replace the injection given for future flu vaccination.
  • The size of this patch is equal to the thumb impression which contains 100 “microneedles” containing the vaccine, which dissolve after delivering a dose.
  • The gum in the patch keeps the patch sticked to the skin andmedicine penetrates the skin through the needles, through the upper surface of the skin. This patch can be removed twenty minutes later.
  • This patch has been developed by researchers from Emory University in the US and was funded by a grant from the National Institute of Biomedical Imaging and Bioengineering.
  • Patches don’t require refrigeration and can be stored at a temperature of 40 degrees Celsius for one year.
  • Patch manufacturing cost is also likely to be less than the normal syringe, which will increase its coverage.
  • This patch will not require pain injections to give insulin to people suffering from diabetes and to give treatment to cancer patients.

Related Links:-
http://www.nhs.uk/news/2017/06June/Pages/Painless-flu-vaccine-skin-patch-shows-promise.aspx
http://www.news.gatech.edu/2017/06/26/microneedle-patches-flu-vaccination-successful-first-human-clinical-trial
https://www.livescience.com/59631-flu-vaccine-microneedle-patch.html
http://www.bbc.com/news/health-40402775
http://www.telegraph.co.uk/science/2017/06/27/end-painful-vaccinations-horizon-scientists-prove-skin-patch/