Thursday, March 28, 2024

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Understanding PCR Tests for Coronavirus

applying PCR test to woman

Opinion | From the beginning of the COVID-19 pandemic, the clarion call has been to test, test and test some more. However, right from the start, serious questions arose about the tests being used to diagnose this infection, and questions have only multiplied since then. Positive reverse transcription polymerase chain reaction (RT-PCR) tests have been […]

Coronavirus Testing Suspended at Boston Lab After Many False Positive Results

doctor prepares to apply coronavirus test

The Massachusetts Department of Public Health (MDPH) has suspended testing for the SARS-CoV-2 virus at Boston based laboratory on Aug. 8, 2020 after the laboratory reported almost 400 false positive tests.1 Orig3n Laboratory Currently Under State Investigation Orig3n Laboratory, a genetics and biotechnology company was suspended after state health officials became aware of an unusually […]

The T-Cell Response to COVID-19 Infections and Immunity

T-cells

Story Highlights Rapid decline of neutralizing antibodies following COVID-19 infection in some people have led to concerns that immunity to the SARS-CoV-2 virus Is temporary. However, several recent studies have shown a presence of virus-specific T-cells that remain, including among patients with mild or asymptomatic infections. Long-lasting immunity after recovery from COVID-19 infection may be […]

Tests for SARS-CoV-2 in South Korea Can’t Distinguish Virus from Viral Fragments

result of a coronavirus test

A team of South Korean infectious disease researchers has concluded there is no evidence that people can be reinfected with the SARS-CoV-2 virus. The researchers, led by Oh Myoung-don, MD, head of Seoul National University Hospital’s division of infectious diseases, believe that reports of patients who have recovered from COVID-19 and subsequently tested positive again […]

Blood Type May Affect Vulnerability to COVID-19

choosing a blood type

Story Highlights An international group of geneticists has compared DNA of patients hospitalized for severe COVID-19 infection with that of healthy volunteers and found six gene clusters that may provide insight into the wide range of responses to the virus. Results showed that patients with Type A blood appeared to have a greater susceptibility for […]

Misleading CDC Report on COVID-19 Testing Combines “Apples and Elephants”

positive COVID-19 test

The U.S. Centers for Disease Control and Prevention (CDC) acknowledged last week that it had lumped genetic tests that identify people with current COVID-19 infections together with serology (blood) antibody tests that measure whether someone has had the viral infection in the past.1 Combining the tally of the two tests overstates the country’s ability to […]

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