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The think tank said 2021 did bring 
 good news. It said: "For a 
 in early summer, it seemed that COVID-19 was in the 
 mirror." Happier news included more than 9 billion covid-19 
 being given. In 
, NASA 
 extracted a 
 of Martian rock for the first time. In health news the WHO declared China 
 of malaria. In sustainability news, a 
 aircraft flew using 100 per cent sustainable 
.