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Objectives. To examine the potential impact of contact tracing to identify contacts and prevent mpox transmission among gay, bisexual, and other men who have sex with men (MSM) as the outbreak expanded. Methods. We assessed contact tracing outcomes from 10 US jurisdictions before and after access to the mpox vaccine was expanded from postexposure prophylaxis for persons with known exposure to include persons at high risk for acquisition (May 17–June 30, 2022, and July 1–31, 2022, respectively). Results. Overall, 1986 mpox cases were reported in MSM from included jurisdictions (240 before expanded vaccine access; 1746 after expanded vaccine access). Most MSM with mpox were interviewed (95.0% before vaccine expansion and 97.0% after vaccine expansion); the proportion who named at least 1 contact decreased during the 2 time periods (74.6% to 38.9%). Conclusions. During the period when mpox cases among MSM increased and vaccine access expanded, contact tracing became less efficient at identifying exposed contacts. Public Health Implications. Contact tracing was more effective at identifying persons exposed to mpox in MSM sexual and social networks when case numbers were low, and it could be used to facilitate vaccine access. (Am J Public Health. 2023;113(7):815–818. https://doi.org/10.2105/AJPH.2023.307301 )

In August 2022, the Florida Department of Health (FDOH) was notified of a suspected case of monkeypox in an infant aged <2 months who was admitted to a Florida hospital with a rash and cellulitis. This case report highlights findings from the related epidemiologic investigation and describes the public health actions taken. This activity was reviewed by CDC and was conducted consistent with applicable federal law and CDC policy.* This is the youngest patient with confirmed monkeypox infection in Florida to date.

What is already known about this topic? Nontuberculous mycobacteria (NTM) have been reported as a cause of health care–associated infections. What is added by this report? Investigation of a case of NTM infection in a patient who received a cosmetic surgical procedure in Florida identified a total of 15 cases in nine states in patients who received cosmetic surgical procedures at the same facility in Florida. Multiple lapses in infection control and prevention were found at an outpatient cosmetic surgery clinic operating with the same staff members. What are the implications for public health practice? Health care providers should have a high index of suspicion for extrapulmonary NTM when evaluating patients for postsurgical infection after cosmetic procedures and should be aware of the threshold for notifying public health officials of these cases.

During May 2022-April 2023, dengue virus serotype 3 was identified among 601 travel-associated and 61 locally acquired dengue cases in Florida, USA. All 203 sequenced genomes belonged to the same genotype III lineage and revealed potential transmission chains in which most locally acquired cases occurred shortly after introduction, with little sustained transmission.