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5 days ago · A virus is an infectious microbe consisting of a segment of nucleic acid (either DNA or RNA) surrounded by a protein coat. A virus cannot replicate alone; instead, it must infect cells and use components of the host cell to make copies of itself.
2 days ago · Zika virus is transmitted to humans through the bite of infected Aedes mosquitoes, particularly Aedes aegypti and Aedes albopictus. Zika can also spread through sexual contact, blood transfusion and from an infected mother to her baby during pregnancy or childbirth. Zika virus can pass through the placenta to the baby.
2 days ago · Deaths. >290,000–650,000 deaths per year [3] [4] Influenza, commonly known as " the flu " or just " flu ", is an infectious disease caused by influenza viruses. Symptoms range from mild to severe and often include fever, runny nose, sore throat, muscle pain, headache, coughing, and fatigue.
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3 days ago · WHO says symptoms usually start about 4-10 days after infection, while the CDC points to a broader timeframe: within two weeks of being bitten by a mosquito. Symptoms usually clear in about a week ...
1 day ago · Viruses that affect human health. Read the latest medical research on virology, from herpes virus to ebola virus and more.
1 day ago · Water or swimming does not transmit the COVID-19 virus. Coronavirus Outbreak: Find the latest worldwide information and live news from NDTV related to COVID-19 cases, deaths caused, prevention ...
2 days ago · June 26, 2024. Federal health officials warned that the risk of contracting dengue in the United States has increased this year, a worrying sign as global cases of the mosquito-borne disease hit ...
