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  1. The Oxford–AstraZeneca COVID‑19 vaccine is used to provide protection against infection by the SARS-CoV-2 virus in order to prevent COVID-19 in adults aged 18 years and older. [1] The medicine is administered by two 0.5 ml (0.017 US fl oz) doses given by intramuscular injection into the deltoid muscle (upper arm).

  2. In electrical engineering and applied mathematics, blind deconvolution is deconvolution without explicit knowledge of the impulse response function used in the convolution. This is usually achieved by making appropriate assumptions of the input to estimate the impulse response by analyzing the output. Blind deconvolution is not solvable without ...

  3. 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 ...

  4. The COVID-19 pandemic, also known as the coronavirus pandemic, is a global pandemic of coronavirus disease 2019 (COVID-19) caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). The novel virus was first identified in an outbreak in Wuhan, the capital of Hubei, China, in December 2019, before it spread to other areas of Asia, and then worldwide in early 2020.

  5. Stage musical In the stage musical, Mary Poppins takes Jane and Michael Banks to visit Mrs Corry's shop to buy "an ounce of conversation", only to find that Mrs Corry has run out of conversation.She does, however have some letters, and Jane and Michael each ...

  6. 2021 list Companies are ranked by total revenues for their respective fiscal years ended on or before March 31, 2021. All data in the table is taken from the Fortune Global 500 list of technology sector companies for 2021 unless otherwise specified. As of 2021, Fortune lists Amazon (revenue of $386.064 billion), Jingdong ($108.087 billion), and Alibaba ($105.865 billion) in the retailing ...

  7. Robert Francis Kennedy Jr. (born January 17, 1954), also known by his initials RFK Jr., is an American politician, environmental lawyer, anti-vaccine activist, and conspiracy theorist.He is the chairman and founder of Children's Health Defense, an anti-vaccine advocacy group that is a leading proponent of COVID-19 vaccine misinformation, and an independent candidate in the 2024 presidential ...