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Canada has purchased 20 million doses of that vaccine, which requires people to receive two doses each, and it has the option to buy 56 million more.
COLOMBO - The Ceylon Chamber of Commerce, Sri Lanka's largest business organization, said on Monday that it wanted to further strengthen commercial ties with China to attract more foreign direct investments into the island country.
CHONGQING - In southwest China's Chongqing municipality, an evergreen coniferous tree that was thought to be extinct in the wild is making a comeback.
CPR is really not so hard to learn. All one needs is to learn how to observe and decide if a person is unconscious, where to press on the patient's chest, and how to blow air through the mouth and into the lungs.
COVID-19 vaccine for US public likely available in 2021, says CDC director - World - Chinadaily.com.cn
来源：资阳报