Planet Briefing

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Four new mpox cases identified in South Africa

South Africa's Department of Health reported four new mpox cases, bringing the cumulative total since 1 January 2026 to 26 across five provinces. It advised people to watch for symptoms and close contacts to monitor themselves for 21 days.

Consensus tree summarized after 1000 non-parametric bootstrap replicates, with support values greater than 60% shown in the nodes. The cluster the Ugandan MR766 prototype strain was highlighted by the yellow sector and the Nigerian cluster was highlighted by the green sector. The strains from Senegal and Côte d'Ivoire are shown in green and orange, respectively. The tree has been rooted with the Spondweni lineage isolated in South Africa was used as outgroup to root the tree.
Illustrative image: Consensus tree summarized after 1000 non-parametric bootstrap replicates, with support values greater than 60% shown in the nodes. The cluster the Ugandan MR766 prototype strain was highlighted by the yellow sector and the Nigerian cluster was highlighted by the green sector. The strains from Senegal and Côte d'Ivoire are shown in green and orange, respectively. The tree has been rooted with the Spondweni lineage isolated in South Africa was used as outgroup to root the tree. — Faye O, Freire C, Iamarino A, Faye O, de Oliveira J, Diallo M, Zanotto P, Sall A/Wikimedia Commons, CC BY 4.0

Why it matters

The report documents new cases across several provinces and provides public guidance for people with symptoms and close contacts.

Categories: public-health

Generated scores

Scores are based on the cited reporting and use a 1–10 scale. Read the methodology.

Confidence
6/10
Geographic reach
4/10
Global importance
3/10
Impact magnitude
3/10
Positivity
3/10
Urgency
4/10

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