Quarantine "yellow jack" but this was also a name for yellow fever, which probably derives its common name from the flag, not the color of the victims (cholera ships also used a yellow flag). The plain yellow flag ("Quebec" or Q in international maritime signal flags) probably derives its letter symbol for its initial use in "quarantine", but this flag in modern times indicates the opposite—a ship that declares itself free of quarantinable disease, and requests boarding and routine port inspection. Australia has perhaps the world's strictest quarantine standards. Quarantine in northern Australia is important because of its proximity to South-east
Flag of Guernsey Games. Research was carried out by Deputy Bailiff Sir Graham Dorey, of Guernsey's Flag Investigation Committee. The committee considered a number of designs. It was initially considered that the new flag for Guernsey should contain green, but it was ruled that the colour green has no historical basis in Guernsey aside of being used as a sporting colour by the Guernsey national football team in Muratti matches. Consideration was given to using the coat of arms of Guernsey on a St George's Cross but this was rejected on the grounds that the arms would be unidentifiable at a distance. It