Not commonly. Sewers contain gases, such as H2S (hydrogen sulfide) which are extremely toxic in relatively small doses and which can overcome people and many animals quickly. read more
The Raccoons need to put the Humans into cages and feed them low calorie diets to keep them healthy. Seriously, I hadn’t heard of any war between Raccoons and Humans. read more
Raccoons can carry several bacterial diseases and parasites that can be transmitted to humans and pets through a bite or the ingestion of raccoon waste. Some diseases that can affect humans and pets include: leptospirosis; salmonella; roundworm (Baylisascaris procyonis) rabies; Although raccoons are notorious for carrying rabies, there has only been one recorded human death from raccoon rabies in the United States. read more