What condition caused by spasm of arterioles and sometimes small veins, results in the formation of small raised areas that are white or red, affecting mainly fingers and toes, which later throb and itch?
What infectious disease, occurring commonly in epidemics and caused by a virus, is characterised by blotchy rash preceded by a running nose and eyes, with a rise in temperature and lassitude?
What infectious disease, commonest in childhood, caused by a virus, is characterised by swelling of the salivary glands, slight fever and malaise?