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mutations, 30 of them being in a key protein that we study and use to vaccinate against, which is the spike protein which sits on the virus surface. this spike protein engages our receptors and gains entry into our cells. it is also the target of the response following vaccination against natural infection so it really is a critical part of the virus and we are seeing a large number of changes occurring in this new variant. and of course now the race is on to try and find outjust how contagious it might be. how long will that take and whether or not it stands up to the vaccines that we have? it will take time. the laboratory experiments will probably take between three and four weeks and in the meantime, i think the knowledge from public health and research networks in south africa will give us real time information about what s going on. we are very lucky because actually the variant can be tracked by an anomaly in pcr testing that

Spike proteinVirus surfaceVaccinate againstCovid variantLaboratory experimentsSouth africaPublic healthPcr testingReal timeWhats going onResearch networks