Click here for the latest coronavirus news, which the BDN has made free for the public. You can support this mission by purchasing a digital subscription. Staff at Calais Regional Hospital recently had to ask local paramedics to stick a breathing tube down the windpipe of a critically ill patient after a doctor was unable to perform the lifesaving task himself. That case is among the reasons state officials are now raising alarm about the Down East hospital’s readiness to handle the spread of the coronavirus across Maine — a pandemic that is requiring many U.S.