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COVID-19 test detects antibodies in hundreds of tiny blood samples


A MITOMI microfluidic device © Sebastian Maerkl / 2021 EPFL
Antibody testing can be a powerful tool for tracking the spread of SARS-CoV2 infections, the virus responsible for the COVID-19 pandemic. A group of scientists from EPFL, UNIGE and HUG have now developed a reliable and cheap antibody test that can analyze more than 1,000 samples at once and requires a small drop of blood, such as that from a finger prick.
After people get infected with the SARS-CoV-2 virus that causes COVID-19, they start to produce immune molecules called antibodies. COVID-19 antibody tests pick up on the presence of antibodies against SARS-CoV-2 in the blood. Because antibodies can take several days to weeks to develop, antibody tests can’t detect active infections, but they can help to find out what proportion of communities have been infected with the virus in the past. This knowledge is useful for epidemiological investigations, and informing public-health policies. Antibody tests are also ....

Sebastian Maerkl , Idris Guessous , Zoe Swank , Isabella Eckerle , Silvia Stringhini , Benjamin Meyer , Laboratory Of Biological Network Characterization , Division Of Laboratory Medicine , Centre For Emerging Viral Diseases , Biological Network Characterization , Laboratory Medicine , Medical Coordinator , Emerging Viral Diseases , Sub Saharan Africa , Population Epidemiology Unit , Laboratory Medicine , Antibody Testing , Clinical Trials , ஸோவீ ஸ்வாங்க் , இசபெல்லா எக்கேற்லே , பெஞ்சமின் மேயர் , பிரிவு ஆஃப் ஆய்வகம் மருந்து , மையம் க்கு வளர்ந்து வருகிறது வைரஸ் நோய்கள் , ஆய்வகம் மருந்து , மருத்துவ ஒருங்கிணைப்பாளர் , வளர்ந்து வருகிறது வைரஸ் நோய்கள் ,