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File:WHO EN-1 How does a virus change 03Mar2021.webm

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Description What causes a virus to change to a new variant? When a virus is widely circulating in a population and causing many infections, the likelihood of the virus mutating increases. The more opportunities a virus has to spread, the more it replicates – and the more opportunities it has to undergo changes. Originally published on the World Health Organization, Newsroom, Feature stories, The effects of virus variants on COVID-19 vaccines.
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Source URL http://www.who.int/news-room/feature-stories/detail/the-effects-of-virus-variants-on-covid-19-vaccines
Author World Health Organization

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Date/TimeThumbnailDimensionsUserComment
current15:34, 25 March 20211 min 25 s, 1,920 × 1,080 (1.15 MB)WHO-openaccess (talk | contribs)Imported media from uploads:fd76f3d6-8d7d-11eb-8f43-0a7fb64cb320

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Format Bitrate Download Status Encode time
VP9 1080P 94 kbps Completed 04:42, 2 February 2022 34 s
Streaming 1080p (VP9) Not ready Unknown status
VP9 720P 114 kbps Completed 09:54, 28 February 2024 1 min 19 s
Streaming 720p (VP9) Not ready Unknown status
VP9 480P 53 kbps Completed 09:46, 28 February 2024 15 s
Streaming 480p (VP9) Not ready Unknown status
VP9 360P 35 kbps Completed 09:47, 28 February 2024 34 s
Streaming 360p (VP9) Not ready Unknown status
VP9 240P 21 kbps Completed 09:52, 28 February 2024 15 s
Streaming 240p (VP9) 23 kbps Completed 23:39, 4 December 2023 8.0 s
WebM 360P 33 kbps Completed 09:46, 28 February 2024 8.0 s
Streaming 144p (MJPEG) 425 kbps Completed 08:49, 18 November 2023 2.0 s

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