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What is pneumonia?      Pneumonia is an infection in your lungs caused by bacteria, viruses, or fungus. You can become infected if you come in contact with someone who is sick. You can get pneumonia if you recently had surgery or needed a ventilator to help you breathe. Pneumonia can also be caused by accidentally inhaling saliva or small pieces of food. Pneumonia may cause mild symptoms, or it can be severe and life-threatening. What increases my risk for pneumonia? 1.A cold or the flu 2.Health conditions, such as heart or lung disease 3.A weakened immune system caused by HIV, cancer, or steroid use 4.Recent hospitalization 5.Smoking 6.Excess alcohol use 6.Older age What are the signs and symptoms of pneumonia? 1.Fever or chills 2.Cough 3.Shortness of breath or rapid breathing 4.Chest pain when you cough or breathe deeply 5.Headache 6.Vomiting 7.Fatigue or confusion      Blood and urine tests may show signs of an infection or the b...

ZIKA VIRUS IN BRAZIL.AND NOW THREATS TO US  AND ASIAN COUNTRIES. Zika virus    This article is about the virus. For the disease, Zika fever.    Electron micrograph of Zika virus. Virus particles are 40 nm in diameter Virus classification. Family: Flaviviridae Genus: Flavivirus. Species: Zika virus.    Zika virus (ZIKV) is a member of the virus family Flaviviridae and the genus Flavivirus, transmitted by daytime-active Aedes mosquitoes, such as A. aegypti. Its name comes from the Zika Forest of Uganda, where the virus was first isolated in 1947.    The infections, known as ,Zika fever, often causes no or only mild symptoms.    Since the 1950s it has been known to occur within a narrow equatorial belt from Africa to Asia. In 2014, the virus spread eastward across the Pacific Ocean to French Polynesia, then to Easter Island and in 2015 to Mexico, Central America, the Caribbean, and     America, where the Zika out...