Coronavirus live news: cruise passengers told they cannot disembark in Scotland; Pfizer to expand trial in under-12s

Cruise operator says Scottish government rules preventing stay at Greenock; Euro 2020 fans must have vaccine passport or test for Wembley games

• Up to 4,500 children under 12 to be enrolled for Pfizer trial
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• Massive internet outage hits websites including Amazon and Guardian
• How Taiwan failed to plan for a major Covid outbreak

11.48pm BST

Brazil has had 52,911 new cases of coronavirus reported in the past 24 hours and 2,378, the country's health ministry said.

The South American country has now registered 17,037,129 cases since the pandemic began, while the official death toll has risen to 476,792, according to ministry data, Reuters reports.

11.32pm BST

Uruguay released data on the impact of Sinovac Biotech's Covid-19 vaccine among its population that showed it was more than 90% effective in preventing intensive care admissions and deaths.

The dose reduced deaths by 95% and intensive care admissions by 92%, and also showed 61% efficacy in cutting coronavirus infections, the government said.