![China's Ad5-nCoV Vaccine China's Ad5-nCoV Vaccine](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiseQNJ_yzJROZpRCJZIREloEmEPZuui9IDVxHzs9_-Lg2vdNSA7iVaY7WQQfudVJE-agB08qD0FNMWIVRtXwtyWw6FqjiBSYCYY58d-GlGC8xjpyowGGHbEy9ZhlTNC3bM5eeSIGisBp7wsj6xl8xm6MbX-vf5qGkc1i_raxrQot0Nu_Nxmj3WUOtNUA/w320-h164-rw/China%20Ad5.jpg)
- CanSino’s Ad5-nCoV Vaccine was given approval by China’s National Medical Products Administration for emergency use as a booster vaccine.
- Ad5-nCoV is the latest version of CanSino’s one-shot Covid drug which was used by China, Pakistan, Hungary, Mexico, and Malaysia after it was rolled out in February 2021.
- CanSino said that the inhaled version of the vaccine will trigger cellular immunity by stimulating antibodies in nasal and airway tissues to defend against COVID-19.
- Many companies around the globe are researching the possibility of needle-free vaccines for other preventable diseases as they could appeal to vaccine-hesitant people.
- Covaxin is only India's indigenous COVID-19 vaccine which was developed by Bharat Biotech in collaboration with the Indian Council of Medical Research (ICMR).
Question:
Q.1 The world's first inhaled version of the COVID-19 vaccine has been developed by?a. China
b. India
c. Germany
d. USA