
A 9-year-old girl from Australia was unable to walk and had to stay in the hospital for three days after scratching a mosquito bite that led to a serious infection.
It started during a family camping trip in Ballina, New South Wales. The girl, Ava, got a mosquito bite at the campsite and scratched it. Her mother, Bek, said that her kids often get mosquito and midge bites, and nothing serious had happened before. So, she just applied a regular mosquito bite cream to stop the itching.

But this time, the bite didn’t heal. After four days, it became red, swollen, and painful. Bek then used an antibiotic cream hoping it would help. The next day, things got worse—Ava couldn’t walk and the bite had grown even bigger.
Worried, the family tried to see a doctor, but nearby appointments were fully booked. They then spoke to a nurse online who advised them to go to a hospital in Coffs Harbour. There, doctors were immediately concerned because the bite was near Ava’s knee, and the infection could have spread to her joint.
At the hospital, Ava was diagnosed with a staph infection and given antibiotics through an IV drip. Unfortunately, the first round of treatment didn’t work. Tests showed that Ava had MRSA, a rare and stronger form of staph infection that is hard to treat.
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The infection had spread up her leg, making her skin red, hot, and swollen. Her lymph nodes were also affected. Ava had to use special large healing pads instead of regular band-aids, and they needed to be changed often. The wound had to be kept dry and clean.
Doctors explained that staph bacteria live on everyone’s skin but can become dangerous if they enter the body through cuts or wounds. Bek said that using strong adhesive band-aids had caused tiny open wounds, which allowed the bacteria to spread. Within two days, Ava had eight infected spots on her leg.
Now, the family is following a strict cleaning routine called an “eradication program.” They are deep cleaning their caravan, washing all clothes and bedding in hot water with disinfectant, and using special antibacterial soap to bathe. No one else in the family has gotten sick, but they are taking all precautions.
Although Ava’s wounds have healed, the experience left emotional scars. Bek said her daughter is now scared to scratch any part of her body and worries the infection might come back. Ava also has visible scars on the backs of her legs.
This incident is a reminder that even a small mosquito bite can turn serious, and proper care and hygiene are very important.