HealthCould England have avoided second lockdown by sticking to tiers? A researcher has claimed that England didn’t need a second lockdown because daily covid-19 daily cases were already peaking under regional restrictions, but other scientists disagree News
HealthWhat are mRNA vaccines and how useful will they be? Coronavirus vaccines being developed by Pfizer and Moderna could be the first mRNA vaccines to get approval. Here's how these vaccines work and how might they change the world News