osmosis jones
A 2001 Warner Bros film. It follows the misadventures of a zoo worker who contracts an unknown disease after eating an egg contaminated with ape saliva. The responsibility of eradicating this deadly virus falls on a white blood cell cop (Osmosis Jones) and a picky cold pill (Drixenol Koldreliff).
Japanese name: バクテリア・ウォーズ Bakuteria U~ōzu, "Bacterial Wars"