In Italy the entire population of a small town was tested for Covid 19. Of those infected, one in three people with no symptoms had the virus. And from China researchers found many people carried the virus – even before authorities there began tracking its spread. The findings suggest vulnerable people may contract the virus from those without symptoms.And we’ve news of a breakthrough - new tests looking at Covid 19 antibodies, These should help provide a picture of developing immunity to the virus. However as growing numbers of people fall ill there are concerns over a potential shortage of hospital ventilators globally, These are needed to treat the most severe cases. However a crowdsourcing project has been set up to try and kick start the manufacturing of a variety of different types of ventilator that could be built around the world. If you have knowledge of ventilators or their use and would like to get involved more information is available here. http://bit.ly/frontiertech4COVIDaction(Image: AFP/Getty Images)Presenter: Roland Pease
Producer: Julian Siddle

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