# Measles surveillance in Catamarca, Argentina

> Live situation record from CLSTR: https://clstr.news/situations/measles-surveillance-in-catamarca-argentina
> Updated: 2026-09-12T23:00:34.000Z. Sources: 7. Developments: 2.

Health authorities in Catamarca, Argentina, have initiated surveillance and preventive measures following reports of measles. Initially, the Ministry of Health confirmed a positive case and monitored two individuals who shared an international flight with the infected person.

Following this, officials in Caucete launched a preventive sanitary operation in the Pie de Palo neighborhood after a six-month-old infant was treated for suspected measles symptoms. A medical team of over 15 professionals implemented an epidemiological blockade within a five-block radius of the suspected case to verify vaccination records and administer doses. Authorities noted that protocols require immediate action upon suspicion rather than waiting for laboratory confirmation to prevent public alarm.

## Timeline

### 2026-09-12: Caucete health officials launch preventive operation for suspected measles

Health officials in Caucete, Argentina, launched a preventive sanitary operation and epidemiological blockade following a suspected measles case in an infant.

2 sources. https://clstr.news/cluster/caucete-health-officials-launch-preventive-operation-for-suspected-measles

### 2026-09-08: Catamarca health authorities monitor measles exposure

Two people in Catamarca, Argentina, are under medical surveillance following a confirmed measles case linked to an international flight. Health officials are emphasizing vaccination and monitoring symptoms.

5 sources. https://clstr.news/cluster/catamarca-health-authorities-monitor-measles-exposure

---
Cite as: Measles surveillance in Catamarca, Argentina. CLSTR, https://clstr.news/situations/measles-surveillance-in-catamarca-argentina