I'm not sure if I understood correctly your question .
Two ways HIV/AIDS not spread through sex ...
By blood transfusion (there was a scandal in France and other countries in the eighties ....many people got HIV because of this ; it was called the scandal of contaminated blood...)
The other one could be a fight between two people with severe bleeding injuries; if one of them is HIV, it may contaminate the other one.
Or someone willing to help and look after a cut, if this person has a small cut as well, he may be contaminate by blood.
As blood is the only way of contamination, people have to be careful when helping someone bleeding if they are bleeding too.
Usually, in hospitals, dentists, they have to use gloves 
Hope I helped
        
             
        
        
        
The patient has ear pain and pinna tenderness on the exam. ear pain finding belongs in the ros 
Ear infections, such as swimmer's ear and middle ear infections (otitis media), frequently result in ear pain (otitis externa). Although they can affect persons of all ages, ear infections are more common in children than in adults. Adults may have ear pain from ailments including TMJ and jaw arthritis.
Your middle ear tubes may become blocked by a cold, allergies, or a sinus infection. Otitis media is the term your doctor will use when fluid accumulates and becomes infected. The most frequent reason for ear pain is this. Your doctor might recommend antibiotics if she believes that bacteria are to blame. 
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