Understanding COVID-19 vaccines

Macau recorded 336 COVID-19 infections on Sunday, 66 more than the 270 infections recorded on Saturday, the Novel Coronavirus Response and Coordination Centre announced in a statement yesterday.According to the statement, one of the 336 COVID-19 carriers was admitted to the public Conde de São Januário Hospital Centre for treatment.Consequently, a total of 100 new COVID-19 patients were admitted to treatment facilities between May 1 and May 21.Last month, there were only two days when Macau

    Analysis by Xinhua writers Wang Aihua and Xu Lingui       For centuries, the quiet city of Macau, nestled next to Hong Kong, has rarely captured as much attention as it does today.   In less than a week, this wealthy and culturally vibrant Chinese territory will celebrate the 25th Anniversary of its return to the motherland, which ended centuries of Portuguese occupation.    Since 1999, Macau has been governed under the "One Country,