为什么中国似乎总是开始爆发新的疾病? Why Do New Disease Outbreaks Always Seem to Start in China? | RealClearScience
The Asian Flu in 1956 killed between one and four million people worldwide. SARS in 2002 infected 8,098 and killed 774 in seventeen counties. H7N9 emerged ten years later to strike at least 1,223 people and kill four out of every ten of them. Now, the milder, yet more infectious COVID-19 has sickened more than 70,000 […]