UK Covid-19 second wave

As UK cases spike again, Dr Chris Smith joins RNZ's Kim Hill to discuss why some geographies are particularly hard-hit, what constitutes a "super-spreader" and who are the asymptomatic cases, the effectiveness or otherwise of contact-tracing apps and what sentinel screening is telling us about the features and spread of Covid-19. Also on the table, low-cost rapid testing technology, the prospect of using testing to return the airline industry to viability, the timelines for vaccines, and why the Neanderthal in you might affect your coronavirus risk...