Have Pediatric Questions? Ask a Pediatrician.
When was he exposed to the tooth brush?
Was there any bleeding?
Was she examined by doctor?
Did she have any test?
The fever can be due to a viral infection.
However, a few tests like blood count, throat swab, stool analysis would be helpful to rule out any bacterial infection.
In that case, antibiotic can be needed.
RNA test for HIV can be taken.
However, the risk of HIV transmission through household contact is rare.
There must be contact with blood as bleeding gums.
Again HIV virus does not live long outside body.
If the tooth brush was dry then the risk is quite low.
I hope this information will be helpful.
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Wish her healthy life.