Flight restrictions targeted at countries where SARS-CoV-2 variant-of-concern first emerged have limited effectiveness in deterring their introduction into the Netherlands due to the strength of regional travel importation risks in Europe.
Protective antibodies elicited by SARS-CoV-2 spike protein vaccination are boosted in the lung after challenge in nonhuman primates science.org - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from science.org Daily Mail and Mail on Sunday newspapers.