"Evidence is growing that a mutated coronavirus strain, the main one circulating in the Houston area, is more contagious than the original virus in China." https://t.co/Io2yzm4F3C— Kyle Griffin (@kylegriffin1) July 5, 2020
"Evidence is growing that a mutated coronavirus strain, the main one circulating in the Houston area, is more contagious than the original virus in China." https://t.co/Io2yzm4F3C