Coronavirus vaccines may not protect the elderly, an infectious disease expert has warned. Dr Natalie Dean said we may need to develop multiple jabs before we can lift lockdown measures.The 32-year-old added contact tracing and better ventilation should be used to "fill in the gaps" and that Covid-19 deniers will keep their communities at risk.
Dr Dean, who worked on the Ebola vaccine and is a statistical consultant for the World Health Organisation, told The Vergecast: "There may be populations where the vaccine doesn't work as well. "So if we find that the vaccine doesn't work as well in older adults then those populations will remain at risk and that's where we are really going to need potentially layering different vaccines which have.