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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).

    • Vaxzevria, Covishield
    • Viral vector
  2. 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.

    • 6,956,160 (reported), 17.5–31.4 million (estimated)
    • Worldwide
  3. en.wikipedia.org › wiki › COVID-19COVID-19 - Wikipedia

    18.2–33.5 million [6] (estimated) Coronavirus disease 2019 ( COVID-19) is a contagious disease caused by the coronavirus SARS-CoV-2. The first known case was identified in Wuhan, China, in December 2019. [7] Most scientists believe the SARS-CoV-2 virus entered into human populations through natural zoonosis, similar to the SARS-CoV-1 and MERS ...

  4. The Mount Edziza volcanic complex (MEVC) is a group of volcanoes and associated lava flows in northwest British Columbia, Canada. Located on the Tahltan Highland, the MEVC has a broad, steep-sided lava plateau; its highest summit is 2,786 metres (9,140 feet). Its volcanoes formed over the last 7.5 million years during five cycles of magmatic ...

  5. 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 ...

  6. en.wikipedia.org › wiki › CRISPRCRISPR - Wikipedia

    CRISPR (/ˈkrɪspər/) (an acronym for clustered regularly interspaced short palindromic repeats) is a family of DNA sequences found in the genomes of prokaryotic organisms such as bacteria and archaea.[2] These sequences are derived from DNA fragments of bacteriophages that had previously infected the prokaryote. They are used to detect and ...

  7. en.wikipedia.org › wiki › VarianceVariance - Wikipedia

    Example of samples from two populations with the same mean but different variances. The red population has mean 100 and variance 100 (SD=10) while the blue population has mean 100 and variance 2500 (SD=50) where SD stands for Standard Deviation. In probability theory and statistics, variance is the expected value of the squared deviation from the mean of a random variable.

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