An early warning symptom of illness.
A premonitory symptom or precursor; a symptom indicating the onset of a disease.
n. a symptom indicating the onset of a disease.
A flavivirus, related to Murray Valley virus (see Australian Encephalitis). Rice paddybreeding Culicine mosquitoes, Culex tritaeniorhyehus, often transmit the disease. Mosquitoes are largely zoophilic. Occasionally Aedes spp and Anopholines implicated in transmission. Disease consists of prodrome, encephalitis and recovery (or death on average in 7%). Affects mostly children less than five years of age and leaves sequelae. A vaccination is available.... japanese encephalitis
(painful bruising syndrome, psychogenic purpura) a rare disorder, characterized by unexplained, recurrent, and painful bruising, typically arising after physical and/or psycho-emotional stress. Classically, ecchymoses spontaneously appear and are associated with a prodrome of warmth and pain at the sites. The condition, which is seen primarily in young to middle-aged women, is induced by trauma and associated with *personality disorders. Research into the syndrome is sparse but recent publications suggest that only a minority of patients experience a serious reduction in their quality of life, that the condition seems to be dermal rather than systematic in most patients, and that it seems to be associated with ongoing stress. [L. K. Diamond (1902–1999), US paediatrician; F. H. Gardner (1919–2013), US haematologist]... gardner–diamond syndrome