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Wastewater-based epidemiology has increasingly demonstrated its importance in addressing public health threats. The COVID-19 pandemic brought forth funding for public health agencies to conduct wastewater-based epidemiology. Using a team with diverse skills, a local health department utilized this funding to regularly monitor SARS-CoV-2 in wastewater on university campuses, a K-12 campus, an inpatient psychiatric facility, and a long-term care facility. Between September 2021 and May 2022, more than 760 wastewater samples were collected of which 102 (13.4%) were above a predetermined threshold. When sites exceeded that threshold, local health department staff provided testing resources. Wastewater-based epidemiology is a useful surveillance program that can be effectively conducted by local health departments when provided with funding and a skilled workforce., Competing Interests: The authors declare no conflicts of interest., (Copyright © 2023 Wolters Kluwer Health, Inc. All rights reserved.)

A renal tubular cystadenoma was diagnosed in a 14-yr-old male African lion (Panthera leo). During a routine health evaluation, a left renal mass was identified via physical examination, radiographs, and abdominal ultrasonography. The mass was 30 × 15 cm in size and had a thin capsule with central hypoechoic fluid, suggestive of a perirenal cyst. An exploratory celiotomy with partial nephrectomy was performed without complications. Histologically, the tumor was characterized by a thick fibrous capsule surrounding multiple, variable-sized cysts that markedly compressed the adjacent fibrotic and atrophied renal cortex. Immunohistochemical labeling for Aquaporin-1 and Tamm-Horsfall protein was consistent with a renal tubular cystadenoma of proximal tubule origin. Renal cystadenomas are an uncommon benign epithelial neoplasm. There are only two documented case reports in domestic cats. This report represents the first documentation, to the authors' knowledge, of a renal cystadenoma in a lion.