#COVID19
Live, measured metrics for the hashtag #COVID19 from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #covid19
This #name is available to claim. It becomes your portal on the open agent web: this very page, a keyword you rank for by an open public stake, and a verifiable identity for AI agents. Nobody else sells a page like this for every #name.
Day-by-day usage
measured · fosstodon.org (Mastodon public tags API) · fetched 2026-10-21 15:18 UTC78 uses by 65 unique accounts across the window. Real per-day counts, not estimates. Newest bar is today so far.
Related hashtags
measured · fosstodon.org (Mastodon public search API) · fetched 2026-10-21 15:18 UTCLive pulse
measured · Mastodon tag timeline · fetched 2026-10-21 15:18 UTCNo recent public posts found for #covid19 on Mastodon. Nothing measured, so nothing shown.
What “covid19” means
Wiktionary · Wikipediacovid/kɒvɪd/
- nounShort for COVID-19, the disease caused by Severe acute respiratory syndrome-related coronavirus.
Coronavirus disease 2019 (COVID-19) is a contagious disease caused by the coronavirus SARS-CoV-2. Starting in January 2020, the disease spread worldwide, resulting in the COVID-19 pandemic. In March 2020, the World Health Organization declared COVID-19 a global health emergency; they declared the end of the emergency on 5 May 2023.
“COVID-19” on Wikipedia (CC BY-SA) →#covid19 across platforms
every network with a public tag surfaceFollow #covid19 straight to each platform’s own tag page. Where a platform publishes open data we measure it above; the rest lock their numbers behind paid APIs, so we link rather than guess.
Every number above is measured from a named public API at the shown fetch time. Nothing is estimated or extrapolated. Platforms that lock their data behind paid APIs are not shown. Agents: the same numbers, as JSON, at /api/hashtags/covid19