Covid-19 research finds many people asymptomatic

New research on the MV Greg Mortimer, a covid-19 infected cruise ship returning from a trip to Antarctica, has found 81 percent of positive passengers had no symptoms. Hawkes Bay GP, Jeff Green was one of two expedition doctors on the journey, and passenger Alvin Ing is a professor of respiratory medicine at Macquarie University. The Australasian duo found themselves in a unique position to document the onboard spread and behaviour of the virus in real-time, and their subsequent study of asymptomatic cases has been published in the British Medical Journal.