An epidemiological warning for a confirmed case of measles in Rosario



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National Directorate for Epidemiology and Health State Analysis. T Secretariat of the Government Secretariat for Health, issued a statement epidemiological warning case confirmation meas.

A man aged 36 years old, resident in Rosario, Santa Fe Province, who would have contact with a commercial airline on 16 March with a tourist who later confirmed measles (an imported case reported on April 4 by the Ministry of Health with an epidemiological alert).

The new case started with fever on April 1, and the next day a rash occurred. During the transfer period he traveled through the city of Buenos Aires, traveled to Venezuela on a charter flight and attended social events in Rosario. Samples were processed in the CEMAR laboratory in Rosario and confirmed by the National Reference Laboratory ANLIS Carlos G Malbrán.

After treatment, the patient showed good evolution, the health authorities confirmed.

In the present case, in Argentina, 4 cases were confirmed in 2019. The three previous ones were imported and the current one is under investigation.

Data to be taken into account in case of a possible case

• The pathway of the measles is a person per person (respiratory tract). The virus is present in the nasopharyngeal secretions in the environment up to 2 hours after removal of the patient.
• The incubation period is 7-21 days (on average 14 days).
• The disease is highly contagious: from 4 days before the onset of rash to 4.
• Secondary cases: 7 to 21 days of contact with a confirmed case

Recommendations for medical staff

When setting in contact with patients with fever and rash, indicate the setting of the tape.

• Check the complete vaccination schedule for the age:
– From 12 months to 4 years: they must accredit one dose of viral triple vaccine (measles / rubella, mumps) – for more than 5 years: it must prove TWO DOSES of a double or triple vaccine after the first year of life.

– People born before 1965 do not need to vaccinate because they are considered immune.

• Intensify the epidemiological follow-up of cases of febrile exanthematic disease (EFE) with a particular emphasis on the history of travel, without delay being informed of the alleged case.

Activities before suspicious matters

– Immediately and reliably get acquainted with the health authority through available resources, without waiting for laboratory results. o Complete the epidemiological record as a whole.

– within 24 hours, inform the National Health Surveillance System (SNVS2.0), both with the clinical component of patient care, as well as with a laboratory that receives or processes samples of a suspected case.

– collection of samples for etiological diagnosis: Always take a blood sample; In addition, take urine up to 14 days after rash and / or nasopharyngeal swab (UFH) onset of up to 7 days later. Store in the refrigerator until it is done, which you must do within 48 hours of ingestion. All samples should be examined at the same time for measles and rubella.

ISOLATION OF THE PATIENT: Patient isolation should be discarded for up to 7 days after starting the rash to avoid infection. Avoid traffic in public transport and in institutions. If hospitalization is necessary, isolation of the respiratory system should be carried out.
For residents of Argentina traveling abroad

-Verify whether the overall vaccination schedule for age is in accordance with the national vaccination calendar. If two recommended doses are not available, the vaccine should be used at least 15 days before the trip. Children aged 6 to 11 months traveling to areas of active viral circulation should receive a triple virus vaccine dose. This dose should not be considered as a vaccination schedule. Doses corresponding to the National Vaccination Calendar will be carried out at the age of one year and when entering the school.

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