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3 天前 · A regimen of two doses of the Oxford–AstraZeneca vaccine followed by a booster dose of the Pfizer–BioNTech or the Moderna vaccine is initially about 60% effective against symptomatic disease caused by Omicron, then after 10 weeks the effectiveness drops to
5 天前 · Human papillomavirus infection ( HPV infection) is caused by a DNA virus from the Papillomaviridae family. [5] Many HPV infections cause no symptoms and 90% resolve spontaneously within two years. [1] In some cases, an HPV infection persists and results in either warts or precancerous lesions. [2] These lesions, depending on the site affected ...
1 天前 · Genghis Khan (born Temüjin; c. 1162 – 25 August 1227), also known as Chinggis Khan,[a] was the founder and first khan of the Mongol Empire, which he ruled from 1206 until his death in 1227; it later became the largest contiguous empire in history. After spending most of his life uniting the Mongol tribes, he launched a series of military ...
20 小時前 · Jean-Claude Camille François Van Varenberg ( French: [ʒɑ̃ klod kamij fʁɑ̃swa vɑ̃ vaʁɑ̃bɛʁɡ]; Dutch: [vɑn ˈvarə (n)ˈbɛrx]; born 18 October 1960), known professionally as Jean-Claude Van Damme ( French: [vɑ̃ dam]; Dutch: [vɑn ˈdɑmə] ), is a Belgian martial artist and actor. Born and raised in Brussels, his father ...
2024年5月24日 · Existentialism is a form of philosophical inquiry that explores the issue of human existence. Existentialist philosophers explore questions related to the meaning, purpose, and value of human existence. Common concepts in existentialist thought include existential crisis, dread, and anxiety in the face of an absurd world and free will, as well as authenticity, courage, and virtue.
4 天前 · Poliomyelitis (/ ˌ p oʊ l i oʊ ˌ m aɪ ə ˈ l aɪ t ɪ s / POH-lee-oh-MY-ə-LY-tiss), commonly shortened to polio, is an infectious disease caused by the poliovirus. Approximately 75% of cases are asymptomatic; mild symptoms which can occur include sore throat and fever; in a proportion of cases more severe symptoms develop such as headache, neck stiffness, and paresthesia.
2 天前 · The Organisation for Economic Co-operation and Development (OECD; French: Organisation de coopération et de développement économiques, OCDE) is an intergovernmental organisation with 38 member countries,[1][4] founded in 1961 to stimulate economic progress and world trade. It is a forum whose member countries describe themselves as ...
