Testing & Analysis

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Two research projects are investigating several novel techniques for detecting hepatitis A virus that eliminate false positives produced by inactivated, non-infectious RNA fragments—an issue that limits the usefulness of existing methods for indicating actual food safety risk.

German Federal researchers have developed a rapid, onsite detection system for PFAS in water samples. Its cost-effectiveness and ease-of-use make it a potentially scalable solution for authorities and industry to monitor and remediate “forever chemical” contamination.

The European Food Safety Authority (EFSA) has published guidelines for reporting whole genome sequencing (WGS) data in compliance with Regulation (EU) 2025/179, which requires Member States to conduct WGS on the isolates of five important pathogens during the investigations of foodborne illness outbreaks and sets data-sharing parameters.

The Regulatory and Laboratory Training System (RLTS), built on the National Curriculum Standards, represents the next generation of training for regulatory food protection professionals. It is guided by a national steering committee that includes FDA, CDC, USDA, NEHA, NACCHO, APHL, AFDO, and other organizations.

In processing operations for dairy and low-moisture foods, specialized sanitation and environmental monitoring programs are paramount to securing food safety and hygienic operation of facilities. 

Monitoring impurities in foods is an important tool for protecting vulnerable populations. However, as consumers encounter more reports of detectable impurities in everyday foods, concern is likely to grow unless these findings are clearly communicated in the context of potential health risk. 

The Canadian Food Inspection Agency (CFIA) has published the latest National Microbiological Monitoring Program Annual Report for 2023–2024, which assesses domestic and imported food samples and industry environmental samples.

This article discusses the results of a 2024 follow-up survey to a 2019 workshop on the food industry's use of whole genome sequencing (WGS), the benefits and challenges of this technology, and necessary advancements for its continued acceptance and effective use in ensuring food safety.

The sampling and testing project will support the National Antimicrobial Resistance Monitoring System (NARMS) by identifying trends and emerging risks from drug-resistant foodborne bacteria. Findings will be used to create a model that can help predict and address antimicrobial resistance (AMR) mitigation strategies.

A UK-based study, led by Quadram Institute researchers, underscores the limitations of traditional enumeration methods for foodborne pathogen surveillance and highlights the need for whole genome sequencing (WGS) to better assess the food safety risk posed by commensal or opportunistic Escherichia coli lineages.