Shanghai became the first city in China to provide a domestically developed aerosolized adenovirus type-5 vector-based COVID-19 vaccine (Ad5-nCoV) as booster shot. In Tianshan Traditional Chinese Medicine Hospital in Changning district, Shanghai, the Global Times reporter saw a group of residents receiving the vaccination on October 26, 2022. "It's very convenient and it leaves a sweet taste," said a resident who received the aerosolized vaccine as booster shot. Photos: Chen Xia/GT Editor: Yu Xi/GT