I'm not entirely sure why you're being so irrationally angry about this.
It's a disease and, at the moment, there's no vaccine (and I doubt that there will be one for a couple of years yet).
This isnt about my side/your side (and for the record I'm not a Democrat, I'm not American so I've never voted to spend any of your precious tax dollars).
This isnt (for me anyway) about money at all (although it is going to be expensive either way). Its about compassion mostly. What sort of existence do you think those children will have? It's going to be short and full of suffering. Unless you want to spend huge amounts of resources, in which case it's going to be longer and still have a lot of suffering in. Could your health care system cope with a huge number of severely disabled children dumped on it? Because I guarantee that that's what will happen if this virus does its worst.
There's nothing analogous between this and "additional welfare babies" as you put it. To even suggest that shows that you can't see any problem without desperately trying to make it some parties "fault".
Shit happens and we have to deal with it. Flailing round in a fury, desperate for someone to blame is not dealing with it. You do that and other people, more suited to making decisions for you, will decide.