China imposes COVID-style lockdowns as chikungunya infects thousands
China has more than 7,000 chikungunya cases mostly in Guangdong. The virus spreads by mosquitoes and causes fever and bad joint pain that can last a long time. The U.S. CDC said travelers should “exercise increased caution.” https://www.sfchronicle.com/health/article/cdc-chikungunya-warning-china-20803276.php China is …