New coronavirus variants could cause more reinfections, require updated vaccines
http://www.sciencemag.org/news/2021/01/new-coronavirus-variants-could-cause-more-reinfections-require-updated-vaccines
Relatives attend a COVID-19 victim’s burial in Manaus, Brazil, on 13 January.
Science’s COVID-19 reporting is supported by the Pulitzer Center and the Heising-Simons Foundation.