Latest on the worldwide spread of the coronavirus

Novavax Inc on Monday said its COVID-19 vaccine was more than 90% effective, including against a variety of concerning variants of the coronavirus in a large, late-stage U.S.-based clinical trial.

DEATHS AND INFECTIONS EUROPE * Prime Minister Boris Johnson delayed his plans to lift remaining COVID-19 curbs by a month, warning that thousands of more people might die if he did nothing because of the rapid spread of the more infectious Delta variant. * COVID-19 vaccines made by Pfizer and AstraZeneca offer high protection of more than 90% against hospitalisation from the Delta coronavirus variant, a new analysis by Public Health England showed. * Norway now expects to receive 900,000 fewer Pfizer and BioNTech vaccine doses in the July-September quarter compared to what authorities had earlier anticipated, the health minister said. * The Delta variant doubles the risk of hospitalisation compared with the previously dominant variant in Britain, but two doses of vaccine still provide strong protection, a Scottish study found.