Coronavirus live news: return to school could lead to sharp rise in cases, UK expert warns; Vietnam reports 352 deaths – as it happened



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An unvaccinated teacher in a California elementary school infected half her students and 26 people in total when she contracted the Covid-19 Delta variant, researchers for the US Centers for Disease Control and Prevention (CDC) found.

The researchers said the teacher attended school for two days despite displaying symptoms of Covid-19, and read aloud to her class without a mask during that time. Infections corresponded to the classroom’s seating chart, with the students sitting closest to the teacher the most likely to be infected.



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As September approaches, employers are increasingly asking workers to come in, with many offices adopting hybrid systems after months of working from home – prompting mixed emotions. Commuting can be both expensive and polluting. UK workers pay more of their salary in commuting costs than their EU counterparts, and before the pandemic, two-thirds of people travelled to work by car. Despite the costs, which also include time, some value the commute for separating their home and work lives.

Seven people speak about how their commutes and their perspectives on travelling to work have changed since the onset of the pandemic.

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Freshers’ week parties could cause huge jump in Covid cases, scientists warn

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