Questions for “Super-absorbent swab could curb errors in COVID-19 testing”
![a photo of healthcare workers testing people in cars at a drive-up site](https://www.snexplores.org/wp-content/uploads/2021/02/1030_LEM_test_swabs_feat.jpg)
Healthcare workers use nasal swabs to conduct COVID-19 testing at a drive-up site. If someone’s result wrongly comes back negative, that person could unknowingly keep spreading the virus.
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