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Explore the most exciting new ideas and emerging concepts in science, health, technology and the environment with New 杏吧原创鈥檚 exclusive in-depth articles, interviews and long reads.
A new covid-19 variant called XEC may spread more easily than past variants, but current vaccines are still effective against it
Genetic testing on samples collected during the earliest days of the covid-19 outbreak suggests it is likely that the virus spread from animals to humans at the Huanan seafood market