Alarming Spike in Norovirus Cases Across LA County: What You Need to Know Now
HEALTH & FITNESS
Tuesday, December 16, 2025 7:12PM
LOS ANGELES (KABC) -- Imagine a virus so contagious that it can spread like wildfire through a simple touch or a bite of food. That’s norovirus, and according to the Los Angeles County Department of Public Health, it’s making a troubling comeback. But here’s where it gets even more concerning: health officials are using wastewater sampling—a cutting-edge method to detect viruses—and the data is alarming. Norovirus concentrations in wastewater have skyrocketed, with a 154% increase in Los Angeles and a staggering 250% surge across the county over just three weeks.
And this is the part most people miss: norovirus isn’t just a winter nuisance; it thrives in cooler months, with outbreaks expected to peak between November and April. The health department warns that this trend is consistent with past years, but the current spike is particularly worrisome.
What Exactly is Norovirus?
Norovirus is a highly contagious virus that spreads through direct contact with an infected person, consuming contaminated food or water, or touching tainted surfaces and then your mouth without washing your hands. It’s notorious for causing severe gastrointestinal symptoms, which can appear as early as 12 hours or as late as 48 hours after exposure. These symptoms include diarrhea, vomiting, nausea, stomach cramps, body aches, and fever. While it’s often referred to as the ‘stomach flu,’ it’s not related to the influenza virus.
How Can You Protect Yourself?
The health department has shared essential tips to stay safe, but here’s the controversial part: some of these measures might seem obvious, yet many people still overlook them. For instance, washing your hands frequently—especially after using the bathroom and before eating—is critical. But did you know that norovirus can survive freezing temperatures and is only killed at 140°F (60°C)? This means simply refrigerating or freezing food won’t eliminate the virus. Instead, thoroughly cooking shellfish and carefully washing fruits and vegetables are non-negotiable steps.
Additionally, if you or someone in your household falls ill, clean and disinfect contaminated surfaces, clothes, or linens immediately with a bleach-based cleaner. Here’s a thought-provoking question: How often do you think about disinfecting your kitchen counters or utensils after handling potentially contaminated food? It’s a step many skip, but it’s crucial to prevent the virus from spreading.
Finally, if you’re infected, avoid cooking for others for at least three days after recovery. This might seem extreme, but norovirus is so contagious that even trace amounts can cause an outbreak.
Controversial Interpretation: Some experts argue that while these precautions are effective, the real issue lies in public awareness. Do you think schools, workplaces, and public spaces are doing enough to educate people about norovirus? Or is this a problem that falls solely on individuals to manage?
Let us know your thoughts in the comments below. Stay informed, stay safe, and don’t let norovirus catch you off guard this season.
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