Rudolph Johnson, a toxicologist with national leadership experience in emergency response and measuring human exposure to toxic substances, will be the next director of the Wisconsin State Laboratory of Hygiene […]

As of September 15, 2025, the Wisconsin State Laboratory of Hygiene will no longer perform Bordetella culture testing (WSLH test code MP00623). This decision was made due to very low […]

Please note the following changes to the Wisconsin State Laboratory of Hygiene’s operations for the Labor Day holiday. As always, if you have an off-hours emergency, please call the WSLH […]

Join the Water Environment Federation and the New York and Wisconsin wastewater public health monitoring programs to: Learn how sewage can help protect public health Hear from national and local […]

Please note the following changes to the Wisconsin State Laboratory of Hygiene’s operations for the July 4th holiday. As always, if you have an off-hours emergency, please call the WSLH […]

The American Society of Cytopathology (ASC) awarded WSLH Emeritus Medical Director Daniel Kurtycz, MD, the Papanicolaou Award, the highest honor awarded by the Society. It is presented annually to a […]

Please note the following changes to the Wisconsin State Laboratory of Hygiene’s operations due to the observance of the Memorial Day holiday. The table below lists the hours of operations […]

The WSLH Chemical Emergency Response (CER) team received two national awards at the Laboratory Response Network-Chemical meeting in Salt Lake City on April 24, 2025. The WSLH CER Team won […]

Adapted from National Safety Council news release The National Safety Council Alcohol, Drugs and Impairment Division (ADID) has selected Amy Miles as the 2025 Robert F. Borkenstein Award recipient. The […]

  The Wisconsin State Laboratory of Hygiene (WSLH) and Wisconsin Department of Natural Resources (DNR) will be holding a virtual (streaming via MS Teams) Environmental Science Day on February 26, […]

Former WSLH Director and Medical Director Dr. Stan Inhorn passed on February 19, 2025. Dr. Inhorn was WSLH Assistant Director starting in 1960, becoming Director from 1966-1979. He then left […]

Please note the following changes to the Wisconsin State Laboratory of Hygiene’s operations due to the observance of the Martin Luther King, Jr. Day holiday. The table below lists the […]

Please note the following changes to the Wisconsin State Laboratory of Hygiene’s operations due to the observance of the Christmas and New Year’s holidays. The table below lists the hours […]

The Wisconsin State Laboratory of Hygiene will be closed on Thursday, November 28, 2024 for the Thanksgiving holiday. Our Specimen Receiving departments will observe the following hours of operation for […]

The Wisconsin State Laboratory of Hygiene was featured in three recent stories published by the UW School of Medicine and Public Health (UWSMPH).   Pathbreaking cystic fibrosis research initiated in […]

The UW School of Pharmacy profiles Assistant Professor Heather Barkholtz’s latest research in “Breaking Bad Chemistry”. Barkholtz, who holds a joint appointment with the UW School of Pharmacy and the […]

Please note the following changes to the Wisconsin State Laboratory of Hygiene’s operations for the Labor Day holiday. As always, if you have an off-hours emergency, please call the WSLH […]

Wisconsin State Laboratory of Hygiene wastewater surveillance data is just one contribution from University of Wisconsin School of Medicine and Public Health (UWSMPH) researchers to Public Health Madison-Dane County’s award-winning […]

Please note the following changes to the Wisconsin State Laboratory of Hygiene’s operations for the July 4th holiday. As always, if you have an off-hours emergency, please call the WSLH […]

A new study published in the academic journal Environmental Research Letters, reveals that the environmental impact of the February 3, 2023, Norfolk Southern train accident in East Palestine, Ohio covered […]

In 2023, the Wisconsin State Laboratory of Hygiene embarked on a new program hosting 17 undergraduate summer interns as part of the Association of Public Health Laboratories (APHL) Public Health […]

In this talk, WSLH Senior Data Scientist Dr. Kelsey Florek discusses how the bioinformatics team in the WSLH Communicable Disease Division is: Developing new tools and strategies to enhance genomic […]

Wastewater professionals across the state were honored today as Wisconsin Governor Tony Evers proclaimed May 22, 2024 Wastewater Professionals Appreciation Day. Wisconsin State Laboratory of Hygiene Director and University of […]

Please note the following changes to the Wisconsin State Laboratory of Hygiene’s operations due to the observance of the Memorial Day holiday. The table below lists the hours of operations […]

In 2018, the U.S. State Department appointed WSLH Director and UW Civil and Environmental Engineering Professor Jamie Schauer as a Science Envoy for Air Quality, highlighting American scientific strategies and […]

The University of Wisconsin Department of Pediatrics, in conjunction with the Wisconsin State Laboratory of Hygiene (WSLH), UW Health and Prevention Genetics, has produced a video highlighting the unique features […]

The Centers for Disease Control and Prevention brought a film crew to the Wisconsin State Laboratory of Hygiene in March 2023 for a video shoot in the Communicable Disease Division […]

The National Academies of Sciences, Engineering and Medicine has appointed WSLH Newborn Screening Laboratory Director and UW Professor of Pediatrics Dr. Mei Baker to its ad hoc Committee on Newborn […]

Please note the following changes to the Wisconsin State Laboratory of Hygiene’s operations due to the observance of the Martin Luther King, Jr. Day holiday. The table below lists the […]

Please note the following changes to the Wisconsin State Laboratory of Hygiene’s operations due to the observance of the Christmas and New Year’s holidays. The table below lists the hours […]

The Wisconsin State Laboratory of Hygiene will be closed on Thursday, November 23, 2023 for the Thanksgiving holiday. Our Specimen Receiving departments will observe the following hours of operation for […]

WISC-TV recently ran an in-depth story on wastewater surveillance testing at the Wisconsin State Laboratory of Hygiene for COVID and other pathogens, as well as the partnership between the WSLH, […]

The University of Wisconsin School of Medicine and Public Health Department of Pediatrics recently profiled Wisconsin State Laboratory of Hygiene Newborn Screening Director and Professor of Pediatrics Dr. Mei Baker. […]

Assistant Professor Heather Barkholtz holds a unique joint appointment with the University of Wisconsin-Madison School of Pharmacy and the Wisconsin State Laboratory of Hygiene Forensic Toxicology section. The UW-Madison Pharmacy […]

Please note the following changes to the Wisconsin State Laboratory of Hygiene’s operations for the Labor Day holiday. As always, if you have an off-hours emergency, please call the WSLH […]

CDC Director Dr. Mandy Cohen toured the Wisconsin State Laboratory of Hygiene’s Agriculture Drive facility on August 16th. The WSLH is the first state public health laboratory Dr. Cohen has […]

The Wisconsin Newborn Screening program will begin a newborn screening for X-Linked Adrenoleukodystrophy (X-ALD) demonstration project on September 20, 2023. Information for Primary Care Providers Information for Parents

The Wisconsin State Laboratory of Hygiene’s 2022-2023 annual report – Transforming Challenges, Finding Solutions – is now available. The report traces the continuum of the WSLH’s COVID-19 pandemic response activities […]

Cannabinoids and opioids are two of the most commonly identified substance classes in Wisconsin’s impaired drivers. That said, these two classes of compounds are having profound impacts on our society, […]

The Centers for Disease Control and Prevention has named the Wisconsin Wastewater Surveillance Program a National Center of Excellence for wastewater surveillance within the National Wastewater Surveillance System (NWSS). Wisconsin […]

On Wednesday, July 5, Governor Tony Evers signed the Wisconsin 2023-2025 Biennial Budget (2023 Wisconsin Act 19), which directed the Newborn Screening Card Fee to increase to $195.00 per card. […]

Please note the following changes to the Wisconsin State Laboratory of Hygiene’s operations for the July 4th holiday. As always, if you have an off-hours emergency, please call the WSLH […]

After more than three years, the world is now in a very different stage of the COVID-19 pandemic. The U.S. COVID-19 Public Health Emergency has ended, and the World Health […]

Dr. Dagmara Antkiewicz (2nd from right) with the WSLH Wastewater-Based Epidemiology team and WSLH Environmental Toxicology, gave an update on the WSLH’s use of wastewater surveillance for COVID and other […]

Please note the following changes to the Wisconsin State Laboratory of Hygiene’s operations due to the observance of the Memorial Day holiday. The table below lists the hours of operations […]

Lexi Duncan joined the WSLH PFAS research laboratory in February 2021 as one of four inaugural Association of Public Health Laboratories (APHL) Environmental Health Laboratory Fellows. According to APHL, the […]

Please note the following changes to the Wisconsin State Laboratory of Hygiene’s operations due to the observance of the Martin Luther King, Jr. Day holiday. The table below lists the […]

On Tuesday, January 17, 2023 the Wisconsin State Laboratory of Hygiene (WSLH) Communicable Disease Division (CDD) will change testing to the new Abbott Alinity i instrument for several serological hepatitis, […]

As an undergraduate, Nina Desianti became fascinated with diatoms – microscopic single-celled algae with cells walls constructed of silica that live in aquatic environments. Their shapes, their colors, their sizes, […]

WSLH Newborn Screening Director and UW Professor of Pediatrics Dr. Mei Baker and WSLH Newborn Screening Chemist Dr. Brian Conti were named 1 of 6 Wisconsin Alumni Research Foundation (WARF) […]