Author: McKenna Madison Coveny

Walk through any grocery store in America and you’ll see the fingerprints of globalization. Grapes from Chile, shrimp from Thailand, spices from India, and cheese from France all sit side by side, ready to be placed in a single shopping cart. While this global marketplace brings variety and convenience to consumers, it also creates unprecedented risks for food safety. Global supply chains allow a single contamination event in one country to affect consumers thousands of miles away. The 2011 European E. coli outbreak, traced to contaminated fenugreek seeds imported from Egypt, sickened more than 4,000 people across several nations. In…

When people think of food poisoning, the first image that often comes to mind is a stomachache that passes in a day. But one bacterium—Listeria monocytogenes—defies that stereotype. Listeria is not a quick illness; it is a silent and persistent killer, capable of causing hospitalizations, miscarriages, and death. Unlike many pathogens that weaken when exposed to cold, Listeria thrives in refrigerated environments. This ability allows it to hide in seemingly safe foods and spread through entire supply chains, making it one of the most insidious foodborne threats today. Why Listeria Is So Dangerous Listeriosis, the illness caused by Listeria, is…

The foundation of human health begins with what we consume. Clean water and safe food are not luxuries—they are necessities. Yet, in an era of global supply chains and increasingly complex production systems, the assurance of proper water and food quality remains a challenge. Outbreaks of waterborne and foodborne illness continue to underscore the critical importance of rigorous safety standards. The Link Between Water and Food Safety Water is not just something we drink; it is integral to nearly every stage of food production. From irrigation of crops to processing, cleaning, and preparation, water quality directly determines the safety of…

A nationwide outbreak of Listeria monocytogenes has once again raised alarms about the safety of ready-to-eat meals sold in major retail chains. According to the Centers for Disease Control and Prevention, at least 20 people in 15 states have been infected, resulting in 19 hospitalizations and 4 deaths. The outbreak has been linked to prepared dishes including Marketside chicken fettuccine alfredo sold at Walmart and Home Chef pasta meals distributed through Kroger. This outbreak highlights two troubling realities. First, Listeria remains one of the most dangerous foodborne pathogens in circulation, capable of causing severe illness or death in vulnerable populations…

A multi-state outbreak of Salmonella infections has been traced to home delivery meals made by Metabolic Meals, according to the CDC’s recent report. This outbreak—part of ongoing investigations as of September 5, 2025—has raised fresh concerns about food safety in the growing prepared meal delivery business. Key Facts from the Outbreak Health Risks & Symptoms Salmonella is a bacterial pathogen that typically causes symptoms such as: Symptoms usually begin 6 hours to 6 days after ingesting contaminated food. Most healthy people recover without needing medical treatment within about 4-7 days. However, certain groups are at higher risk of severe complications,…

A recent recall in New York involving seabass has alarmed health authorities and consumers alike. The seafood product was pulled from shelves after manufacturers detected Listeria monocytogenes contamination — and reports suggest possible cross-linking with Salmonella risk. This recall underscores how seafood, especially fish like seabass, can become a vector for serious foodborne pathogens. What Really Happened Although specific public health advisories and detailed reports are limited at this time, the recall was initiated after routine testing revealed Listeria presence in seabass shipments bound for New York markets. In addition, there’s concern that Salmonella may be involved—either via shared contamination…

Pre-packaged salads have become a go-to for busy consumers looking for a quick, healthy meal. Sold in clamshells, bags, or ready-to-eat bowls, they appear fresh, colorful, and safe. Unfortunately, they are also one of the most frequent sources of large-scale food poisoning outbreaks in the United States. Leafy greens such as romaine, spinach, and kale are highly susceptible to contamination by E. coli O157:H7, Listeria monocytogenes, and Salmonella. These pathogens often originate in irrigation water or soil and can survive through harvesting, packaging, and distribution. Because salads are rarely cooked, bacteria aren’t destroyed before consumption. Bagged salads in particular create…

Costco has issued a major recall of its Kirkland Signature Ahi Tuna Wasabi Poke product after tests revealed potential contamination with Listeria monocytogenes in the green onions used. The recall covers over 3,300 pounds of product sold across 33 states, raising serious safety concerns regarding ready-to-eat items with raw or minimally processed components. What’s going on Why this matters Listeria monocytogenes is a dangerous pathogen because it can survive in cooler environments, including refrigeration, and because its incubation period is longer than many bacterial foodborne illnesses. Once ingested, it can cause symptoms ranging from mild flu-like conditions to severe disease…

Edible insects are gaining popularity as a sustainable protein source. From cricket flour energy bars to roasted grasshoppers sold at sports stadiums, they’re being marketed as eco-friendly and nutritious. But while insects may be the future of food, they also carry underreported food poisoning risks. Unlike traditional livestock, insects are not yet regulated to the same degree in many countries, including the U.S. This regulatory gap means there are fewer standards for raising, processing, and distributing edible bugs. Pathogens like Salmonella, E. coli, and even parasites can contaminate insect products during farming or processing. Moisture content adds another layer of…

Vacuum-sealed packaging has become a go-to method for preserving freshness, extending shelf life, and reducing food waste. From ready-to-eat meals to packaged fish and deli meats, the technology is everywhere. But behind its convenience lies a serious risk: vacuum sealing can create the perfect environment for deadly pathogens. When oxygen is removed from food packaging, spoilage slows down — but so does the natural suppression of bacteria. Anaerobic organisms like Clostridium botulinum (the bacteria that causes botulism) thrive in these conditions. Botulism, although rare, can be fatal and is one of the most dangerous forms of food poisoning. Even small…