I need y’all help

Okay I have a situation that I need y’all opinion on. I found out that My neighbor has secretly battling cancer and now he has an infection his white blood cell count is high. They can’t give him treatment until they treat the infection first. From what his wife told me he’s in extreme amount of pain. Now my goddaughter was diagnosed with Hashimoto disease (auto immune) and now she has discoid lupus. My goddaughter has been such a trooper through it all but sometimes I wish she can just have a normal childhood. With Covid going around she has to be 100 times more careful. Can I use halo healing and 6th pentacle of mars on them? I’ll take any suggestions