<?xml version="1.0" encoding="utf-8"?><mads xmlns="http://www.loc.gov/mads/" xmlns:mods="http://www.loc.gov/mods/v3" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.loc.gov/mads/
mads.xsd"><authority><topic authority="http://AATesaurus.cultura.gencat.cat/aat/getty_en">epidemics</topic></authority><related type="narrower"><topic>plagues</topic></related><related type="narrower"><topic>pandemics</topic></related><related type="broader"><topic>events</topic></related><variant type="other"><topic>epidemic</topic></variant> <note xml:lang="en"><![CDATA[ Sudden outbreaks of a disease in people, animals, or plant populations in a region where the disease was not previously recognized or where a rapid increase in the number of new cases of a previous existing endemic disease occurs in the area. ]]></note></mads>