BBCNEWS Outside Source November 22, 2021 19:36:00
Either due to waning of vaccine derived immunity, particularly after 30 weeks and of course, a considerable a considerable group of people unvaccinated. the third one is say origin is so called belter dominant. we know that the delta variant is much more transmissible. so it's notjust about vaccination. two countries we reported on earlier in the programme are the netherlands, and belgium. both are seeing a surge of cases — despite having high levels of vaccination. the netherlands, has 73% fully vaccinated — belgium, has 74%. natasha loder is health policy editor at the economist. thank y...
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