Given a passage and a query based on the passage, generate an unambiguous, concise and simple answer to the query from information in the passage. Note that the answer may not be present in exact form.

Mumps is a contagious viral infection spread by bodily fluids that causes uncomfortable symptoms like swelling of the salivary glands, fever, body aches, and fatigue. In some cases, people who contract mumps have no symptoms. Rarely, people will develop serious complications with mumps, including inflammation of the brain and spinal cord. The Centers for Disease Control and Prevention report less than 1000 cases annually, thanks to widespread vaccination. In rare cases, mumps can cause hearing loss, usually permanent, in one or both ears. Miscarriage. Although it isn't proved, contracting mumps while you're pregnant, especially early on, may lead to miscarriage. Prevention. In general, you're considered immune to mumps if you've previously had the infection or if you've been immunized against mumps. The mumps vaccine is usually given as a combined measles-mumps-rubella (MMR) inoculation, which contains the safest and most effective form of each vaccine. Mumps is a virus that can lead to swelling and pain in the salivary glands, along with fever, loss of appetite, and fatigue. With the help of the mumps vaccine, it's preventable. Mumps causes swelling in the parotid glands on either side of the neck. The cheeks can become quite swollen. Fatigue, weakness and fever can occur. Mumps can make eating painful. Mumps may cause dangerous complications, including encephalitis, meningitis, pancreatitis, inflammation of the testicles or ovaries, and hearing loss. What is mumps? Mumps is an illness caused by a virus. It usually happens in childhood. Mumps are easily spread by airborne droplets from the upper respiratory tract. The disease usually takes 2 to 3 weeks to appear. Since the introduction of the mumps vaccine, cases of mumps in the U.S. are uncommon. What are the symptoms of mumps? Many children have no or very mild symptoms. The following are the most common symptoms of mumps that may be seen in both adults and children: In rare cases, mumps will attack other groups of salivary glands instead of the parotids. If this happens, swelling may be noticed under the tongue, under the jaw, or all the way down to the front of the chest. Mumps can lead to inflammation and swelling of the brain and other organs, although this is not common. Mumps outbreaks still occur in the United States, and mumps is still common in many parts of the world, so getting a vaccination to prevent mumps remains important. Symptoms Mumps If you think that your child has mumps, call your doctor, who can confirm the diagnosis and work with you to monitor your child and watch for complications. The doctor can also notify the health authorities who keep track of childhood immunization programs and mumps outbreaks. Because mumps is caused by a virus, it cannot be treated with antibiotics. The measles, mumps, and rubella (MMR) is a childhood combination vaccine against mumps, measles, and rubella. The MMR provides immunity for most people. People who have had the mumps are immune for life. About Mumps. Mumps is a disease caused by a virus that usually spreads through saliva (spit). It can infect many parts of the body, especially the parotid salivary glands. These glands, which make saliva for the mouth, are found toward the back of each cheek, in the area between the ear and jaw. Query: how does mumps attacks
Mumps attack by spreading of bodily fluids and they are easily spread by airborne droplets from the upper respiratory tract.