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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.
Causes. Human papillomavirus spread by direct contact [4][5] Risk factors. Sexual contact. Prevention. HPV vaccines, condoms [4][6] Frequency. Most people are infected at some point in time [4] Human papillomavirus infection (HPV infection) is caused by a DNA virus from the Papillomaviridae family. [5]
The COVID-19 pandemic(also known as the coronavirus pandemic), caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), began with an outbreakof COVID-19in Wuhan, China, in December 2019. It spread to other areas of Asia, and then worldwidein early 2020.
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. The structure of PEG is commonly ...
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 ...
Ewa Janina Kłobukowska (born 1 October 1946) is a Polish former sprinter. She competed at the 1964 Olympics in the 4×100 m relay and 100 m sprint and won a gold and a bronze medal, respectively. [2] She also won two gold and one silver medal at the 1966 European Athletics Championships.
Breaking Bad is an American crime drama television series created and produced by Vince Gilligan for AMC. Set and filmed in Albuquerque, New Mexico, the series follows Walter White (Bryan Cranston), an underpaid, dispirited high-school chemistry teacher struggling with a recent diagnosis of stage-three lung cancer.
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