A young girl was diagnosed with a Strep A infection after her arm became unusually swollen, and was rushed to hospital.
Mara, 3, had a suddenly limp arm and developed a high fever after picking up a bone infection, known as osteomyelitis.
Doctors ran several tests, including MRIs and blood tests, before it was confirmed that the bacteria Group A streptococcus (Strep A) was the route of the problem.