The answer is... The Common Cold!
"Colds" ate generally caused by two specific viruses - rhinovirus and coronavirus
        
             
        
        
        
The answer is impacted.
An impacted fracture is when the broken ends of the bone are pressed together by the force of the impact.
It's important to be treated as soon as possible to prevent further damage. 
It can be treated with a splint, cast or sling.
In worst cases, it may be needed surgery.
        
             
        
        
        
Through the blood flow and veins in your body