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Alexander Bartel

@ndevln.biostats.dev

Alexander Bartel @ndevln.biostats.dev · 27/03/2026

Our new rapid communication in @eurosurveillance.org: We currently observe mpox clade Ib transmission among MSM in Berlin. 35 cases mostly reported local exposure. Sequencing showed high genomic relatedness, suggesting a larger transmission network. Vaccination remains key. 🔗 doi.org/10.2807/1560...

Epidemiological curve showing the number of reported mpox cases in Berlin by reporting week, from week 45 of 2025 through week 10 of 2026. Case counts are low with up to three cases from weeks 45–49 of 2025, with primarily clade IIb and some unknown cases. The first clade Ib case is observed in week 50 with five cases overall in this week. Starting around week 1 of 2026, clade Ib cases begin appearing alongside clade IIb cases, while cases increase to up to five per week. From week 6 onward, there is an increase in reported mpox cases dominated by clade Ib, with nine cases in week 9.

Phylogenetic tree of MPXV sequences. The tree is rooted with clade Ia sequences at the base, followed by a clearly labeled clade Ib branch that includes the majority of sequences shown. Within clade Ib sequences a tightly clustered group is shown. This cluster includes all Berlin and Germany MSM-associated sequences and a small number of sequences from Netherlands, Brazil and Belgium. Travel or household associated sequences from Germany interspersed throughout the clade Ib branch, which also includes sequences from the USA, DRC, Kenya, Uganda, India, Thailand, France, Pakistan, Sweden and Canada. Clade Ia sequences appear at the base of the tree as an outgroup.

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Alexander Bartel @ndevln.biostats.dev · 04/07/2025

📦 My R package {ggsurveillance} now supports nested date scales. All thanks to the fantastic {legendry} package by @teunbrand.bsky.social 🔗 ggsurveillance.biostats.dev/ 🔗 teunbrand.github.io/legendry/ ggplot rules supreme #rstats #ggplot #DataViz

Nested Date scales in ggplot2:
> scale_x_datetime(date_breaks = "2 month", date_labels = "%b-%Y",
> guide = ggsurveillance::guide_axis_nested_date())

Nested Date Scale example. Measles Cases per Month as an epicurve.

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Alexander Bartel @ndevln.biostats.dev · 03/08/2024

Scheint jetzt alles KP.3 zu sein. Aber KP.3 hat sich aus JN.1 entwickelt. Ganz was neues ist es also nicht. Quelle: data.lageso.de/lageso/coron...

Ergebnisse der SARS-CoV-2 Abwassersequenzierung der Berliner Klärwerke Ruhleben, Schönerlinde und Waßmannsdorf.

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