我也建议大家注册Twitter，Reddit，fb之类的，在那上面宣传。华人的警惕性已经上来了，现在关键是其他族裔。 比如口罩，美国人说留给医护，我会告诉他们，留给医护没错，同时US government should get masks to everyone, just like Asian countries do. Singapore and South Korea have shown masks are effective。他们很多人都agree。