Captured in May, 2014, this image depicts a number of Filipino Field Epidemiology Training Program (FETP) residents, as they were working with the World Health Organization (WHO) in Sultan Kudarat, Mindanao, Philippines, on an investigation of an disease outbreak associated with the deaths of 11 people and 10 horses. Henipaviridae virus antibodies were identified in cerebrospinal fluid of one of the patients. In an effort to further characterize the virus and identify the source of infection, blood samples of several animals were tested, including cats, dogs, buffalos, and as you see here, pigs.
The genus Henipaviridae contains three species, Hendra virus, Nipah virus, and Cedar virus. In this particular outbreak, it was found out through this epidemiologic investigation, and serologic test results, that the virus responsible for causing this outbreak was a Henipaviridae member, and most likely either Nipah virus (NiV), or a virus closely related genetically to NiV. For more information regarding this outbreak study, please see the link below.
The FETP trains workers on the ground to help countries build sustainable capacity for detecting and responding to health threats. The program develops in-country expertise so that disease outbreaks can be detected locally and prevented from spreading.
For more on the FETP, and henipavirus infection, see the links below.