Qiyin Fang (@hundredlakes) 's Twitter Profile
Qiyin Fang

@hundredlakes

Professor @McMastereng, personal views only

ID: 68322942

calendar_today24-08-2009 04:07:40

347 Tweet

56 Followers

209 Following

Qiyin Fang (@hundredlakes) 's Twitter Profile Photo
Qiyin Fang
@hundredlakes

4 years ago

Besides the #COVID test sensitivity, the timing of the test is also important. And what’s the point of testing before travel?