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Respiratory Syncytial Virus (RSV) is a highly contagious virus that  spreads through respiratory droplets when an infected person coughs or  sneezes.

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RSV is particularly prevalent in infants and young children, especially those under the age of two.

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In temperate climates, RSV infections tend to occur primarily during the fall, winter, and early spring months.

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Symptoms of RSV disease can vary from mild to severe. Common signs  include coughing, sneezing, runny nose, fever, wheezing, difficulty  breathing, and decreased appetite.

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Certain factors increase the risk of severe RSV disease, including  premature birth, young age, a weakened immune system, congenital heart  or lung conditions, and exposure to tobacco smoke.

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There is no specific antiviral treatment for RSV disease. Most cases can  be managed with supportive care, such as maintaining hydration, using  fever-reducing medications, and using a humidifier to ease breathing.

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For infants at high risk of severe RSV disease, palivizumab (Synagis) is  a monoclonal antibody therapy that can provide temporary protection  against RSV.

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RSV can also affect older adults, particularly those with weakened immune systems or chronic respiratory conditions.

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Researchers continue to study RSV to develop better diagnostic tools,  antiviral treatments, and potential vaccines. Progress in understanding  the virus may lead to improved prevention and management strategies in  the future.