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Hace 6 días · 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.
Hace 3 días · 病毒基因组可以是单链或双链的 RNA 或 DNA ，可以有也可以没有 反转录酶 。 而且，单链RNA病毒可以是 正义 （+）或反义（-）。 这一分类法将病毒分为7类： 第一类是 双链 DNA 病毒 （如 腺病毒 、 疱疹病毒 、 痘病毒 ） 第二类是 单链 DNA 病毒 （+）DNA（如 小 DNA 病毒 ） 第三类是 双链RNA病毒 （如 呼腸孤病毒 ）
Hace 1 día · Deaths in 2024 - Wikipedia. Contents. hide. (Top) June. May. Previous months. References. External links. Deaths in 2024. The following notable deaths occurred in 2024. Names are reported under the date of death, in alphabetical order. A typical entry reports information in the following sequence:
Hace 1 día · The United States of America ( USA or U.S.A. ), commonly known as the United States ( US or U.S.) or America, is a country primarily located in North America. It is a federation of 50 states, a federal capital district ( Washington, D.C. ), and 326 Indian reservations.
Hace 3 días · Russia,[b]or the Russian Federation,[c]is a country spanning Eastern Europeand North Asia. It is the largest country in the world by area, extending across eleven time zonesand sharing land borders with fourteen countries. [d]It is the world's ninth-most populous countryand Europe's most populous country. Russia is a highly urbanized country ...
Hace 5 días · Origin and growth. In 1996 Jimmy Wales, a successful bond trader, moved to San Diego, California, to establish Bomis, Inc., a Web portal company. In March 2000 Wales founded Nupedia, a free online encyclopaedia, with Larry Sanger as editor in chief.
Hace 1 día · India, officially the Republic of India ( ISO: Bhārat Gaṇarājya ), [21] is a country in South Asia. It is the seventh-largest country by area; the most populous country as of June 2023; [22] [23] and from the time of its independence in 1947, the world's most populous democracy.
