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The following is a list of "Z" codes for Medical Subject Headings (MeSH), as defined by the United States National Library of Medicine (NLM). This list continues the information at List of MeSH codes (V04). For other MeSH codes, see List of MeSH codes. The source for this content is the set of 2006 MeSH Trees from the NLM.
ACP-131 [1] is the controlling publication for the listing of Q codes and Z codes. It is published and revised from time to time by the Combined Communications Electronics Board (CCEB) countries: Australia, New Zealand, Canada, United Kingdom, and United States.
Q and Z codes, also called Q and Z signals may refer to: Q code, 3-letter code beginning with Q and used by radiotelegraph and other radio services;
The word quarantine comes from quarantena or quarantaine, meaning "forty days", used in the Venetian language in the 14th and 15th centuries and also in France. The word is designated in the period during which all ships were required to be isolated before passengers and crew could go ashore during the Black Death plague. [1]
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During the COVID-19 pandemic, social distancing and related measures were recommended by several governments as alternatives to an enforced quarantine of heavily affected areas. According to UNESCO monitoring, more than a hundred countries implemented nationwide school closures in response to COVID-19 , impacting over half the world's student ...
Q and Z signals are brevity codes widely used in Morse code radio telegraphy. See, respectively: Q code; Z code This page was last edited on 29 ...