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Objective To describe how U.S. Public Health Service (PHS) pharmacists serving in jobs that are normal for them, but considerably different than those found in the private sector, are making a difference in advancing the nation's health. Summary Pharmacists who serve in the Commissioned Corps of PHS fill roles that are considerably different than their counterparts in the private sector. Their work takes them out from behind the counter and into the world. Pharmacy officers advance the health and safety of the nation by their involvement in the delivery of direct patient care to medically underserved people, national security, drug vigilance, research, and policy-making endeavors. PHS pharmacists fill essential public health leadership and service roles throughout the U.S. Department of Health and Human Services (HHS) and certain non-HHS federal agencies and programs. The Health Resources and Services Administration, National Institutes of Health, Federal Bureau of Prisons, Indian Health Service, Food and Drug Administration, and U.S. Coast Guard are among the many federal agencies in which pharmacy officers are assigned. Conclusion In each setting, PHS pharmacists find traditional roles augmented with assignments and challenges that broaden the scope of their practice.

Background: A dengue outbreak in an ecotourism destination spot in Vietnam, from September to November 2013, impacted a floating village of fishermen on the coastal island of Cat Ba. The outbreak raises questions about how tourism may impact disease spread in rural areas. Methods: Epidemiological data were obtained from the Hai Phong Preventive Medical Center (PMC), including case histories and residential location from all notified dengue cases from this outbreak. All household addresses were geo-located. Knox test, a spatio-temporal analysis that enables inference dengue clustering constrained by space and time, was performed on the geocoded locations. From the plasma available from two patients, positive for Dengue serotype 3 virus (DENV3), the Envelope (E) gene was sequenced, and their genetic relationships compared to other E sequences in the region. Results: Of 192 dengue cases, the odds ratio of contracting dengue infections for people living in the floating villages compared to those living on the island was 4.9 (95 % CI: 3.6-6.7). The space-time analyses on 111 geocoded dengue residences found the risk of dengue infection to be the highest within 4 days and a radius of 20 m of a given case. Of the total of ten detected clusters with an excess risk greater than 2, the cluster with the highest number of cases was in the floating village area (24 patients for a total duration of 31 days). Phylogenetic analysis revealed a high homology of the two DENV3 strains (genotype III) from Cat Ba with DENV3 viruses circulating in Hanoi in the same year (99.1 %). Conclusions: Our study showed that dengue transmission is unlikely to be sustained on Cat Ba Island and that the 2013 epidemic likely originated through introduction of viruses from the mainland, potentially Hanoi. These findings suggest that prevention efforts should be focused on mainland rather than on the island.