China’s daily caseload of Covid flare up hits two-year high with 214 incidents confirmed on Sunday
Mainland China has logged its highest number of daily new local symptomatic Covid-19 infections in about two years, with the highly transmissible Omicron variant putting pressure on the government’s strict policy of curbing each outbreak quickly. China reported 214 domestically transmitted cases with confirmed symptoms for Sunday, the majority in...
How Omicron spreads and evades the immune system compared with the previous variants
People infected with the Omicron variant of the coronavirus SARS-CoV-2 are almost 50 per cent more likely to infect those they live with than are individuals infected with the Delta variant, a detailed analysis from England shows. Since it was first detected in South Africa in late 2021, Omicron has...
Dynamic zero Covid: How vaccine complacency has become an unintended side effect of their success
For the handful of places around the world that effectively stopped Covid-19 transmission, vaccine complacency has become an unintended side-effect of their success. Although some regions have managed to blunt transmission of the highly infectious Omicron variant of SARS-CoV-2, others are experiencing considerable outbreaks in populations with low vaccination rates....
