Our regular commentator, Cambridge University consultant clinical virologist Dr Chris Smith joins us with the latest Covid-19 science, and to answer your questions.
New Zealand is dealing with record Covid-19 case numbers in the community. Modelling predictions point to a peak of 10,000 daily cases next month, which has experts doubling down on advice to get boosted. The latest research published by the UK health Security Agency shows that while two doses of vaccine provide significant short-term protection, that protection wanes significantly after six months. In the case of the Pfizer vaccine, effectiveness fell to 51 percent.
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