Science, Maths & Technology
COVID-19: Immunology, vaccines and epidemiology
...system recognises and responds to an acute viral infection. DAVID MALE: The COVID-19 pandemic swept across the world in 2020–2022, with waves of infection in different countries, produced by successive variants of the SARS-CoV2 virus. The rapid spread was made possible by the high infectivity of the virus and the fact that a substantial proportion of infected...