Coronavirus live news: Brazil sets new grim record with 1,910 deaths in 24 hours; Greece extends lockdown

Brazil suffers another day of record Covid losses; Greece prolongs lockdown to 16 March

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Coronavirus live news: Fauci says Americans may still be wearing masks in 2022; variant cases falling in UK

Fauci says other measures likely to be relaxed earlier; UK health secretary says cases of South African and Brazilian variant appear to be falling

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Coronavirus live news: Germany may use Russian and Chinese vaccines; Pfizer pledge for 75m extra doses to EU

Debate around other vaccines highlights depth of vaccine crisis in Germany; Pfizer/BioNTech to ramp up production

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