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What Are All the Different Kinds of COVID-19 Tests? | Johns Hopkins Bloomberg School of Public Health
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swab collection: Covid-19: Saliva diagnosis emerges as a cheaper, faster method than swab testing - The Economic Times
![Roche Diagnostics on Twitter: "Thank you for your replies. The correct answer is a): As the swab doesn't go that far into the patient's nostrils, taking a sample makes them cough or Roche Diagnostics on Twitter: "Thank you for your replies. The correct answer is a): As the swab doesn't go that far into the patient's nostrils, taking a sample makes them cough or](https://pbs.twimg.com/media/Ex5g3s4VcAgGUS0.png)
Roche Diagnostics on Twitter: "Thank you for your replies. The correct answer is a): As the swab doesn't go that far into the patient's nostrils, taking a sample makes them cough or
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