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Home / News / World News / China approves trial of new 'nasal spray vaccine' for COVID-19
  • World

    China approves trial of new 'nasal spray vaccine' for COVID-19

    Shubham Sharma
    Written by
    Shubham Sharma
    Twitter
    Last updated on Sep 11, 2020, 01:47 pm
    China approves trial of new 'nasal spray vaccine' for COVID-19
  • In a major move, China's National Medical Products Administration has cleared a new 'nasal spray' COVID-19 vaccine for human trials.

    The solution is the first of its kind to be approved for clinical testing and could make it easier to immunize large groups against the deadly coronavirus disease.

    Here is all you need to know about it.

  • In this article
    Vaccine stimulating natural infection pathway Spray-based administration makes mass-vaccination easier Efficacy, safety need to be checked Immunity duration also needs to be measured Meanwhile, China has started emergency use of some domestic vaccines
  • Vaccine

    Vaccine stimulating natural infection pathway

    Vaccine stimulating natural infection pathway
  • Developed through a collaboration between the University of Hong Kong, Xiamen University, and Beijing Wantai Biological Pharmacy, the spray vaccine in question stimulates the natural infection pathway of the novel coronavirus to trigger an immune response.

    It is based on a live attenuated influenza vaccine and could also be modified with weakened influenza viruses to offer dual immunity - against both COVID-19 and influenza.

  • Benefit #2

    Spray-based administration makes mass-vaccination easier

    Spray-based administration makes mass-vaccination easier
  • More importantly, as the system is based on the mature influenza vaccine technology, scientists believe it could be easily mass-manufactured and distributed.

    The nasal spray-based system will be much easier to administer on the masses as compared to the traditional injection-based vaccines.

    To note, nasal spray vaccines have been around for some time but this is the only one for COVID-19 in clinical trials.

  • Trials

    Efficacy, safety need to be checked

  • The clinical trials for the spray vaccine are set to begin in November with 100 volunteers and will continue for at least a year.

    The studies will take place in three phases, aimed at defining the safety and effectiveness of the spray.

    On their part, the researchers do not expect major side effects from the spray except minor nasal obstruction or rhinorrhea.

  • Immunity duration

    Immunity duration also needs to be measured

  • During the trials, the researchers would also have to check how long the immunity from the spray lasts and whether it is better than injection-based vaccines.

    America's top infectious diseases expert Dr. Anthony Fauci had previously expressed concerns over the immunity period of COVID-19 vaccines, saying that the duration of protection upon recovery from the most benign coronaviruses has just been around 1-2 years.

  • Usage

    Meanwhile, China has started emergency use of some domestic vaccines

    Meanwhile, China has started emergency use of some domestic vaccines
  • Meanwhile, China has already given emergency use authorization to select domestic vaccine candidates, possibly including two from Sinopharm, developed to prevent COVID-19, the novel coronavirus disease that originated in the country.

    According to a health official from the country, the shots are currently in use, helping health workers inoculate those at high risk of contracting the respiratory disease or getting severely sick from it.

  • China News
  • Vaccine
  • Hong Kong
  • University of Hong Kong
  • Coronavirus
  •  
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