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“Mor Yong” points out the weakness of the live vaccine as a nasal spray. Reasons that should not be used in Thailand

Research work on virology in the Thai biotechnology group one step further After the Ministry of Higher Education, Science, Research and Innovation The National Science and Technology Development Agency (NSTDA) by the National Center for Genetic Engineering and Biotechnology (Biotech) has developed a nasal spray-type COVID vaccine. Revealed immunostimulation test in rats and is close to entering human trials.

On the other hand, Prof. Dr. Yong Phuworawan, the head of the center specializes in clinical virology. Department of Pediatrics Faculty of Medicine Chulalongkorn University Post messages via facebook Yong Poovorawan indicate that

covid-19 vaccine The vaccine is a nasal spray. Lessons from the flu

In the 2009 influenza outbreak, Thailand is preparing to develop a live attenuated influenza vaccine. The bacteria are sensitive to high temperatures. when sprayed into the nose It will only infect the nasal cavity and cannot go down into the lungs. Because it can’t stand the body temperature of 37 degrees in the body. The infection will stimulate immunity to influenza. very well as infectious in nature

That year, Thailand received technology transfer from Russia. and try to develop Influenza The St. Petersburg breed is still well remembered and does not go anywhere. because it was made It does not serve the purpose of preventing illness and death. The Pharmaceutical Organization changed to a lethal infection later. And the one used today in Thailand is a dead infection.

meanwhile There is also a seasonal flu vaccine. The nasal spray used in the United States and in the West is called FluMist of MedImmune. Use a nasal spray. This virus is not heat resistant. inability to enter the lungs

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