#pb2
Live, measured metrics for the hashtag #pb2 from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #pb2
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 · mastodon.social (Mastodon public tags API) · fetched 2026-11-11 01:23 UTC0 uses by 0 unique accounts across the window. Real per-day counts, not estimates. Newest bar is today so far.
Related hashtags
measured · mastodon.social (Mastodon public search API) · fetched 2026-11-11 01:23 UTCLive pulse
measured · mastodon.social (Mastodon tag timeline) · fetched 2026-11-11 01:23 UTCEverything below is measured over the latest 40 public posts (spanning ~27016 hours).
Posting hours (UTC) — busiest: 08:00
Languages: English (38) · French (2)
Avg boosts / post: 0.3
Top of the latest posts
Cross-species and #mammal-to-mammal #transmission of clade 2.3.4.4b highly pathogenic avian #influenza A #H5N1 with #PB2 adaptations, https://etidiohnew.blogspot.com/2025/03/cross-species-and-mammal-to-mammal.html
#Avian #flu: «for whom the bell tolls»? Vopr Virusol.: https://virusjour.crie.ru/jour/article/view/16636 #H5N1 influenza clade 2.3.4.4b strains isolated from #mammals have genetic signatures of partial #adaptation to #human body in #PB2, NP
A suivre : La suite des dernières fiches-Espèce publiées en mars-avril 2026, sur le site en DORIS.ffessm.fr, avec leur lien respectif. C'est donc la seconde rafale pour #rattrapage ! :-D #biodiversite #plongéeBio #ffessm #cnebs #Pb1 #pB2 #F
What “pb2” means
WikipediaLead is a chemical element with the symbol Pb and has the atomic number 82. It is a heavy metal, meaning it is denser than most common materials. Lead is malleable and soft, meaning it can be shaped into different shapes and lead has a relatively low melting point. When freshly cut or melted, it appears shiny silvery with a bluish tint, but tarnishes to dull gray on exposure to air. Lead has the highest atomic number of any stable element, and three of its isotopes are endpoints of major nuclear
“Lead” on Wikipedia (CC BY-SA) →#pb2 across platforms
every network with a public tag surfaceFollow #pb2 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/pb2