Suggested caption:Without pandemic containment measures—such as social distancing, vaccination, and use of face masks—pathogens can spread exponentially.[source] This graphic shows how early adoption of containment measures tends to protect wider swaths of the population.
Wikitext for citation: <ref name=Science_20200515>{{cite journal |last1=Maier |first1=Benjamin F. |last2=Brockmann |first2=Dirk |title=Effective containment explains subexponential growth in recent confirmed COVID-19 cases in China |journal=Science |date=15 May 2020 |volume=368 |issue=6492 |pages=742-746 |doi=10.1126/science.abb4557 |url=https://science.sciencemag.org/content/368/6492/742}} ("...initial exponential growth expected for an unconstrained outbreak.")</ref>
Animation is designed to be consistent with the pandemic-related GIFs shown below.
Version 4: Revising "With..." and "Without..." intro frames. . . . Adding vaccination (hypodermic) and social distancing symbols to the "With containment measures" sequence.
Version Three: Made face masks present throughout entire "With containment measures" sequence... crediting User:Sdkb suggestion at Talk:Coronavirus_disease_2019 at en.wp on 10 June 2020.