SkyNews.Jaqueline Watston, managing director of Citrefine International Ltd, said she wants the government to support a formal testing programme.Watson said: "What we can say is that we do feel there is a very good chance it could work against this virus but it does of course need to be thoroughly tested."But the spray is not sufficient protection on its own and is used by the military as an added layer along with face masks, hand washing and other techniques.The product is made from oil from the leaves and twigs of eucalyptus citriodora tree.It is also found in the insect repellent, Mosi Guard, and others.The armed forces has already stocked up on the repellent.The coronavirus first struck after it emerged in Wuhan, China, at the end of.