Published on in Vol 22, No 5 (2020): May
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/19334, first published
.
![Measuring the Outreach Efforts of Public Health Authorities and the Public Response on Facebook During the COVID-19 Pandemic in Early 2020: Cross-Country Comparison Measuring the Outreach Efforts of Public Health Authorities and the Public Response on Facebook During the COVID-19 Pandemic in Early 2020: Cross-Country Comparison](https://asset.jmir.pub/assets/19e0097fa33287c6e39142af4cccc0e9.png 480w,https://asset.jmir.pub/assets/19e0097fa33287c6e39142af4cccc0e9.png 960w,https://asset.jmir.pub/assets/19e0097fa33287c6e39142af4cccc0e9.png 1920w,https://asset.jmir.pub/assets/19e0097fa33287c6e39142af4cccc0e9.png 2500w)
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