PCR tests tell you if there is *any* virus in the nasal passage.
— Zoë McLaren, PhD (@ZoeMcLaren) September 26, 2021
Rapid tests tell you if there is *enough* virus in the nasal passage to be infectious.
PCR tests give you yesterday's news.
Rapid tests give you real-time data.
Rapid tests are precision public health.
An at-home antigen test can provide additional data—if not total peace of mind—if you suspect you have COVID-19. https://t.co/s7QfpPLbYZ
— Wirecutter (@wirecutter) September 23, 2021
Biden bets on rapid COVID tests, but they can be hard to find
False positive COVID-19 tests aren't common, but they can happen. A breakdown: https://t.co/sADyVf72o8 @AmeshAA
— Korin Miller (@KorinMiller) September 28, 2021
Although rapid tests have their limitations, they are an important public health tool, experts said, particularly if you know how to use them. https://t.co/AQx0sqRz3G
— The New York Times (@nytimes) September 30, 2021
Sad! 