In what is believed to be a world’s first, Shanghai, China’s commercial capital, introduced a new type of COVID-19 vaccine that would be inhaled rather than administer via injection. In addition to this, these vaccines are approved by Chinese pharmaceutical firm “CanSino Biologics”, for use as a booster in September. “Our body’s first line of defence is the mucus membrane of our respiratory system, we want that to be directly stimulated to improve immunity and using the inhaled vaccine does that,” Dr. Zhao Hui.
