Oxford study suggests Covid can be controlled better by tests than quarantine 23 July 2021 • 12:01am Forcing hundreds of thousands of schoolchildren to self-isolate because a classmate had Covid was unnecessary as daily testing would have been as effective, an official study suggests. The results of the study, by the University of Oxford, emerged on the last day of term for most schools, when more than one million pupils are off because of the virus and after months of disruption to education. Since June, The Telegraph has been running a campaign calling on ministers to put children firs...