The number of schoolchildren affected by COVID-19-related school closures soared by 38 per cent in November, placing significant strain on the learning progress and well-being of an additional 90 million students globally, UNICEF says on Tuesday.

The number of schoolchildren affected by COVID-19-related school closures soared by 38 per cent in November, placing significant strain on the learning progress and well-being of an additional 90 million students globally, UNICEF says on Tuesday.