#respiratory | 4 |
#illnesses | 2 |
#among | 2 |
#overwhelmed | 2 |
#hospitals | 2 |
#children | 2 |
#Covid | 2 |
#post | 2 |
#with | 2 |
#Beijing | 2 |
#surge | 2 |
#and | 1 |
#What | 1 |
#sample | 1 |
#have | 1 |
#outward | 1 |
#addition | 1 |
#you | 1 |
#then | 1 |
#direction | 1 |
#infection | 1 |
#not | 1 |
#removed | 1 |
#effective | 1 |