A doctor here says that the thing to watch for is a stressed immune system that allows a secondary infection to slip in. She says this is more dangerous than the flu itself.
That is so true. They also say keeping the viral lungs from turning into bacteria feeding grounds is paramount as well. The BiPAP is forcing o2 to the deep air sacs which also decreases the chance of bacteria growing in stagnant air sacs/lung tissue. He is receiving incredible care with dignity and integrity thrown in for good measure.