Professor Malik Peiris, Professor Roberto Bruzzone and Doctor Darragh Duffy from HKU-Pasteur and the Centre for Immunology & Infection, together with teams from the Institut Pasteur, the CNRS and the College de France, released a major publication in Nature investigating how human populations differ in their immune responses to infection.
During the COVID-19 pandemic, the clinical spectrum observed among people infected with SARS-CoV-2 ranged from asymptomatic carriage to death. The teams have investigated the extent and drivers of differences in immune responses to SARS-CoV-2 across populations from Central Africa, Western Europe and East Asia. They show that latent cytomegalovirus infection and human genetic factors, driven by natural selection, contribute to population differences in immune response to SARS-CoV-2 and the severity of COVID-19. Understanding the factors underlying such population disparities could help to improve patient management in future epidemics.
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