Another six months passed after Thoros Nott’s death before anything was noticed by the lemming-like readers of The Prophet. Over that time a number of powerful individuals died. It wasn’t unexpected, not really, these were the people who fought in a long war in order to save the wizarding world. Their bodies weren’t as strong and they were susceptible to after-effects of what they had suffered. They were old and it was only natural for them to pass.