In an advance toward conquering covid-19, doctors in Michigan say an antibody drug may sharply cut the chance patients on a ventilator will die. The problem: The pandemic viral disease is infecting millions, and for those who end up on a ventilator in an ICU, the odds are grim. More than half are dying. The…

In an advance toward conquering covid-19, doctors in Michigan say an antibody drug may sharply cut the chance patients on a ventilator will die. The problem: The pandemic viral disease is infecting millions, and for those who end up on a ventilator in an ICU, the odds are grim. More than half are dying. The…