Tara Smith is all over this:

Seriously. I’m not even sure what to do with this. From the wording of the abstract, it very much appears that the authors are Christians–so are they saying that Jesus could not have miraculously cured a bacterial infection, but he could have done so for flu? Or that the flu, on its own, resolved the instant Jesus stood over/touched the ill woman, without any divine intervention? 

As the late Stanley Jaki often wrote, concordism does not good science make.