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5 天前 · e. The Oxford–AstraZeneca COVID‑19 vaccine, sold under the brand names Covishield [31] and Vaxzevria [1] [32] among others, is a viral vector vaccine for the prevention of COVID-19. It was developed in the United Kingdom by Oxford University and British-Swedish company AstraZeneca, [33] [34] [35] using as a vector the modified chimpanzee ...
6 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 · 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.
1 天前 · Von der Leyen Commission ( EPP) EPP Group – S&D – Renew. The 2024 European Parliament election is being held from 6 to 9 June. [1] This is the tenth parliamentary election since the first direct elections in 1979, and the first European Parliament election after Brexit. [2] [3] This election will also coincide with a number of other ...
3 天前 · Chess is a board game for two players. It is sometimes called international chess or Western chess to distinguish it from related games such as xiangqi (Chinese chess) and shogi (Japanese chess). Chess is an abstract strategy game that involves no hidden information and no elements of chance.
3 天前 · The G20 or Group of 20 is an intergovernmental forum comprising 19 sovereign countries, the European Union (EU), and the African Union (AU).[3][4] It works to address major issues related to the global economy, such as international financial stability, climate change mitigation and sustainable development.[5] The G20 is composed of most of ...
2 天前 · Chinese New Year is one of the most important holidays in Chinese culture. It has influenced similar celebrations in other cultures, commonly referred to collectively as Lunar New Year, such as the Losar of Tibet, the Tết of Vietnam, the Korean New Year, and the Ryukyu New Year.
