Polymerase chain reaction (PCR) and rapid (antigen) tests for COVID-19 both involve taking a swab. Results for a PCR test take longer, as it needs to go to a laboratory. It is more costly but tends to ...

Growing infection rates and the continuous spread of coronavirus variants increase the need for testing where contact between people takes place Pooling as a readily available, safe, and efficient ...

A polymerase chain reaction (PCR) test detects genetic material from a pathogen or abnormal cell sample. Ways of collecting samples include a nasal swab, a saliva swab, or taking a sample of blood.

Last week, I was about to go on a date, and because I'm severely immunocompromised, we agreed he would take a COVID test using one of my rapid home molecular tests. It was a courtesy—he felt perfectly ...

Incorrect. Covid-19 diagnostic tests are not perfect, but they won’t misdiagnose other coronaviruses as the virus which causes Covid-19. A post on Facebook makes a number of claims about the Covid-19 ...

A PCR test is often considered the gold standard for detecting coronavirus infection. It’s the test some employers want employees to take before returning to work after having Covid-19, and the one ...

Early in the pandemic, the message from governments of all levels was crystal clear: If you have symptoms, get a PCR test. While that still largely holds true, rules about who should get tested and ...

Gift 5 articles to anyone you choose each month when you subscribe. Parents and teachers across Australia are preparing for a disrupted and uncertain school year as omicron continues to overwhelm the ...

A widely shared claim on social media has brought the Centers for Disease Control and Prevention's decision to retire its PCR test for COVID-19 back into the spotlight. "CDC Withdraws Use of PCR Test ...

Effective diagnostic tools are necessary to monitor and evaluate interruption of Lymphatic Filariasis (LF) transmission. Accurate detection of Wuchereria bancrofti (Wb) microfilaria (mf) is essential ...