Biogen's coronavirus cases rise, implicating another Boston health care event

Approximately 26 employees at Biogen, 23 of whom live in-state, have now tested positive for the coronavirus COVID-19 after attending a company meeting late last month — including one employee who then attended another biotech conference elsewhere in Boston the following week that was attended by hundreds. More than a dozen new cases were identified over the weekend, the state Department of Public Health disclosed on Sunday. As of Sunday night, approximately 28 Massachusetts residents have now…