My children are certified Heathy in a good hospital, but calamity has been falling them, example one was mistakenly injected with a wrong drug in hospital, one broke her hand, again one became sick, they been having fever on and off for no reason, I have been reciting allahumma innii as’alukal afwa wal afiyata fidduniya wal akhira to the end every day.someone told me to get zamzam and recite surah fatiha,ikhlas, falaq, Nas,aya Qursi, and give them to be drinking is it ok?