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 E-Mail IMAGE: Antibodies kill infected cells by activating NK cells. In green, an infected cell, cultured in the presence of antibodies (invisible) and NK cells (white arrow). The NK cell comes into. view more  Credit: © Virus & Immunity Unit, Institut Pasteur Drawing on epidemiological field studies and the FrenchCOVID hospital cohort coordinated by Inserm, teams from the Institut Pasteur, the CNRS and the Vaccine Research Institute (VRI, Inserm/University Paris-Est Créteil) studied the antibodies induced in individuals with asymptomatic or symptomatic SARS-CoV-2 infection. The scientists demonstrated that infection induces polyfunctional antibodies. Beyond neutralization, these antibodies can activate NK (natural killer) cells or the complement system, leading to the destruction of infected cells. Antibody levels are slightly lower in asymptomatic as opposed to symptomatic individuals, but polyfunctional antibodies were found in all individuals. These findings show

Olivier schwartzInstitut pasteurVaccine research instituteInserm university parisDepartment of virologyCell reports medicineImmunity unitCell biologyMedicine healthImmunology allergies asthmaInfectious emerging diseasesஆலிவர் ஸ்க்வார்ட்ஸ்நிறுவனம் பாஸ்டர்தடுப்பூசி ஆராய்ச்சி நிறுவனம்துறை ஆஃப் வைராலஜிசெல் அறிக்கைகள் மருந்து