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  • Influenza (flu) - Symptoms and causes - Mayo Clinic
    Learn more about the symptoms, causes and prevention of this potentially deadly viral infection that attacks the respiratory system
  • Medical Diseases Conditions - Mayo Clinic
    Explore comprehensive guides on hundreds of common and rare diseases and conditions from the experts at Mayo Clinic
  • The worlds best hospital - Mayo Clinic
    The right answers the first time Effective treatment depends on getting the right diagnosis Our experts diagnose and treat the toughest medical challenges The world's best hospital Mayo Clinic is the No 1 hospital in the world according to Newsweek Learn more about our top-ranked specialties
  • COPD - Symptoms and causes - Mayo Clinic
    Symptoms include trouble breathing, a daily cough that brings up mucus and a tight, whistling sound in the lungs called wheezing COPD is most often caused by long-term exposure to irritating smoke, fumes, dust or chemicals The most common cause is cigarette smoke Emphysema and chronic bronchitis are the two most common types of COPD
  • Influenza (gripe) - Síntomas y causas - Mayo Clinic
    La gripe, también llamada influenza, es una infección de la nariz, la garganta y los pulmones, que son parte del sistema respiratorio La gripe es causada por un virus Los virus de la influenza son diferentes de los virus de la gastroenteritis viral, que causan diarrea y vómitos La mayoría de las personas que tienen gripe mejoran por su
  • Bronchitis - Symptoms and causes - Mayo Clinic
    Causes Acute bronchitis is usually caused by viruses, typically the same viruses that cause colds and flu (influenza) Many different viruses — all of which are very contagious — can cause acute bronchitis Antibiotics don't kill viruses, so this type of medication isn't useful in most cases of bronchitis
  • H1N1 flu (swine flu) - Symptoms and causes - Mayo Clinic
    Overview The H1N1 flu, sometimes called swine flu, is a type of influenza A virus During the 2009-10 flu season, a new H1N1 virus began causing illness in humans It was often called swine flu and was a new combination of influenza viruses that infect pigs, birds and humans
  • Ear infection (middle ear) - Symptoms causes - Mayo Clinic
    Ear infection In an ear infection, narrow tubes that run from the middle ear to high in the back of the throat, also known as eustachian tubes, can become swollen and blocked This can lead to mucus buildup in the middle ear This mucus can become infected and cause ear infection symptoms


















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