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the outbreak killed 20 and sickened 577 people between november 2016 and october 2017..
shocking figures uncovered by labour show some patients are suffering agonising waits of as many as 541 days to begin treatment..
not coincidentally, maine has a high rate of whooping cough cases � 21.1 per 100,000 people in 2015, compared to 10.3 per 100,000 nationwide..