Coronavirus test ramp-up to help Abbott weather 'toughest quarter'

(Reuters) - Abbott Laboratories Inc said on Thursday a recent ramp up in coronavirus tests production would help it ride out a tough current quarter as the outbreak chokes demand for its other diagnostic kits.The company has since mid-March launched three coronavirus tests, including an antibody test crucial in identifying immunity among people and one that can deliver results within minutes, which was heralded as a game changer by President Donald Trump.Shares of the company were up 6% at..