Almost three quarters of people who contracted coronavirus on board the Diamond Princess cruise ship could have shown no symptoms, a new study has found.
The Diamond Princess was the first cruise ship to have a major outbreak of COVID-19 on board, with the ship quarantined at Yokohama, near Tokyo, for around a month in Frebruary.
More than 700 passengers and staff became infected, and nine died. A new preliminary study by the London School of Hygiene & Tropical Medicine (LSHTM) estimates that 72pc people of infected with COVID-19 on board the cruise liner remained asymptomatic.
Rein Houben from LSHTM’s Centre for the Mathematical Modelling of Infectious Diseases who led the research, said: "We know that a substantial number of people