This week, Associate Professor Siouxsie Wiles tells Kathryn about an initiative to independently put the 500-odd Covid-19 tests through their paces, an Icelandic study on Covid-19 in the general population and a new study about pheromones in lemurs. Associate Professor Dr Siouxsie Wiles is the head of Bioluminescent Superbugs Lab at the University of Auckland.