What you will learn from this Building Automation Systems article: 1  the efficiency and conveniences Building Automation Systems add to a building.  how Building Automation enhances energy savings and troubleshooting problems.
In most cases, the symptoms of a middle ear infection (otitis media) develop quickly and resolve in a few days. This is known as acute otitis media. The main symptoms include: earache. a high temperature (fever) being sick. a lack of energy. slight hearing loss â if the middle ear becomes filled with fluid, hearing loss may be a sign of glue ear, also known as otitis media with effusion.
Causes of Otitis Media. The most common ear infection (otitis media) causes are bacteria and viruses that get inside the ear. People who are at risk for otitis media include children who are cared for in group settings, children who live with adults who smoke cigarettes, and infants who nurse from a bottle while lying down.