Source: China – South China Morning PostZhengzhou, the central Chinese city that suffered devastating floods last month, has started mass nucleic acid testing after a spike in Covid-19 cases at a local hospital.The city reported 12 local confirmed cases and 20 asymptomatic cases on Saturday, after its first asymptomatic case report on Friday. Last month the city saw record levels of rain, which caused extensive flooding across Henan province, killing at least 99 people and affecting more than 11 million residents.The city has…Read More