id	author	title	date	pages	extension	mime	words	sentences	flesch	summary	cache	txt
cord-355309-nr8fwc8q	Porten, Klaudia	A super-spreading ewe infects hundreds with Q fever at a farmers' market in Germany	2006-10-06		.txt	text/plain	5338	270	58	To investigate risk factors for infection we conducted a case control study (cases were Q fever patients, controls were randomly selected Soest citizens) and a cohort study among vendors at the market. To determine the outbreak size we therefore asked local public health departments in Germany to ascertain a possible link to the farmers' market in Soest for all patients notified with Q-fever. To obtain an independent, second estimate of the proportion of hospitalizations among symptomatic patients beyond that reported through the statutory surveillance system we calculated the proportion of hospitalized patients among those persons fulfilling the clinical case definition (as used in the vendors' study (s.b.)) identified through random sampling of the Soest population (within CCS2 (s.b.)) as well as in two cohorts (vendors' study and the 9 sailor friends (see below)).	./cache/cord-355309-nr8fwc8q.txt	./txt/cord-355309-nr8fwc8q.txt