This percentage can vary though depending on how much virus is in the person’s system—the test detected over 95% of individuals with “high viral loads”. PCR tests are still considered the gold ...

If you have Covid symptoms but test negative using a lateral flow test, it’s worth ordering a PCR to double check. How effective are lateral flow tests in combatting the spread of Covid-19?

Millions of people in England are being encouraged to take two free rapid Covid tests a week. The Lateral Flow Device (LFD) kits can be picked up from testing sites, pharmacies or sent through the ...

Urine drug test (UDT) data can generate timely estimates of overdose deaths, a new study suggests.. The study, published in JAMA Network Open by specialty lab Millennium Health and The Ohio State ...