The SIREN study: answering the big questions

Coloured transmission electron micrograph (TEM) of a SARS-CoV-2 coronavirus particle isolated from a UK case of the disease Covid-19. The SIREN study looks for answers to the most important questions about reinfection and COVID-19. This blog sets out how PHE has led the national effort to develop the science that helps decision-makers control the disease. … Read more