How can I safely kill fleas on 1 week old puppies?(I now have 12 of them to deflea)Are cedar chips safe enough?

Scroll down to the bottom of the screen, and there are a few other posts with great answers to the same question that can help guide you.

I have had the same problem many times with my cats and dogs with their new born babies. All I did was treated the mothers with a flea treatment from the vet. As the babies were with the mother all the time the treatment seemed to work on them too without having to actually put treatment on them.