Please tag the following sentance into Histolines event format
Coronavirus
2147505718
Its unique characteristics prevented cultivation using standard techniques available at the time.
In 1962, researchers at the University of Chicago isolated and grew another human coronavirus strain, 229E, from medical students using kidney tissue culture.
( `whoCharName` = 'Coronavirus ' or `whoRel` = 'Coronavirus')
ORDER BY `whenYear` ASC, `whenMonth` ASC , `whenDay` ASC,`eventSig` DESC
LIMIT
0
,
100
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