搜尋結果
It is the first vaccine to have been developed against a contagious disease. In 1796, British physician Edward Jenner demonstrated that an infection with the relatively mild cowpox virus conferred immunity against the deadly smallpox virus. Cowpox served as a natural vaccine until the modern smallpox vaccine emerged in the 20th century.
The COVID-19 pandemic (also known as the coronavirus pandemic), caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), began with an outbreak of COVID-19 in Wuhan, China, in December 2019. It spread to other areas of Asia, and then worldwide in early 2020.
Infobox references. Polyethylene glycol (PEG; / ˌpɒliˈɛθəlˌiːn ˈɡlaɪˌkɒl, - ˈɛθɪl -, - ˌkɔːl /) is a polyether compound derived from petroleum with many applications, from industrial manufacturing to medicine. PEG is also known as polyethylene oxide (PEO) or polyoxyethylene (POE), depending on its molecular weight.
List of Major League Baseball career home run leaders. Barry Bonds holds the record for most career home runs, hitting 762 over his 22-year career. This is a list of the 300 Major League Baseball players who have hit the most career home runs in regular season play (i.e., excluding playoffs or exhibition games).
Ebola, also known as Ebola virus disease (EVD) and Ebola hemorrhagic fever (EHF), is a viral hemorrhagic fever in humans and other primates, caused by ebolaviruses. [1] Symptoms typically start anywhere between two days and three weeks after infection. [3] The first symptoms are usually fever, sore throat, muscle pain, and headaches. [1]
Jean-Claude Camille François Van Varenberg (French: [ʒɑ̃ klod kamij fʁɑ̃swa vɑ̃ vaʁɑ̃bɛʁɡ], Flemish: [vɑn ˈvaːrə(m)bɛrx]; born 18 October 1960), known professionally as Jean-Claude Van Damme (French: [vɑ̃ dam], Flemish: [vɑn ˈdɑmə]), is a Belgian martial artist and actor. Born and raised in Brussels, his father ...
Mortal Kombat is an American media franchise centered on a series of fighting video games originally developed by Midway Games in 1992. The original Mortal Kombat arcade game spawned a franchise consisting of action-adventure games, a comic book series, a card game, films, an animated TV series, and a live-action tour.
