#br_2_1
Live, measured metrics for the hashtag #br_2_1 from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #br_2_1
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Day-by-day usage
measured · fosstodon.org (Mastodon public tags API) · fetched 2026-07-28 08:49 UTC0 uses by 0 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 2026-07-28 08:49 UTCLive pulse
measured · fosstodon.org (Mastodon tag timeline) · fetched 2026-07-28 08:49 UTCEverything below is measured over the latest 5 public posts (spanning ~1992 hours).
Posting hours (UTC)
Languages: English (5)
Avg boosts / post: 2.8
Used together with
Top of the latest posts
In recent days a new variant has been proposed - a recombinant of BR.2.1 "Cerastes" and XBF "Bythos". The earliest sample reported so far was from Victoria, in mid-January. All the samples globally have been found in Australia - covering Ne
Here's the latest variant picture for Australia - the chaotic swarm of new lineages continue vying for dominance in each state: There's continued recent growth from the BA.2.75.* lineages (41%). The BA.2.75.* clan includes the BR.2.1 (18%)
Here's the latest variant picture for Australia - an unprecedented chaotic swarm of new lineages are vying for dominance in each state: There's continued recent growth from the BA.2.75.* lineages (40%). The BA.2.75.* clan includes the BR.2.
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/br_2_1