Germ-Fighters
The doctors reveal the amazing army of germ-fighters that make up your immune system, and they find out just how difficult it is to clean a baby's incubator in Operation Takeover. Dr Xand meets Alex who has Autism, and we catch up with Ouch Patients Holly and Haiden in. Meanwhile, in Accident and Emergency, one patient has cut her nose and another has injured his toe.
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