File:WHO EN Herd Immunity Illustration 02 8Dec2020.png

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Description Graphic from part one in a series of explainers on vaccine development and distribution. Originally published on the World Health Organization, Newsroom, Feature stories, How do vaccines work?
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Source URL https://www.who.int/news-room/feature-stories/detail/how-do-vaccines-work
Author World Health Organization

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8 December 2020

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Date/TimeThumbnailDimensionsUserComment
current00:08, 31 August 2022Thumbnail for version as of 00:08, 31 August 20223,200 × 3,200 (453 KB)SmasongarrisonCropped 20 % horizontally, 20 % vertically using CropTool with lossless mode.
19:00, 14 January 2021Thumbnail for version as of 19:00, 14 January 20214,000 × 4,000 (451 KB)WHO-openaccesspattypan 20.04
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