What is a mosquito-borne virus, also known as breakbone fever, that is an acute febrile disease which occurs widely in the tropics, in Asia, South America, Australia and the Pacific and is now endemic in more than 100 countries?
What name is given to the disease whereby parasites can change the behaviour of rats and mice, making them drawn to rather than fearful of the scent of cats?
What infectious disease, commonest in childhood, caused by a virus, is characterised by swelling of the salivary glands, slight fever and malaise?
