Aggressive Rats on the Rise

Less available food may lead to more pest control calls

May 27, 2020

The pandemic has affected many aspects of modern living, from garbage and recycling pickup to public transportation and hospitality. Add pest control to the list.

The U.S. Centers for Disease Control and Prevention (CDC) warns that as a result of closed restaurants and other businesses, rats may become more aggressive as they hunt for new sources of food. Environmental health and rodent control programs should be prepared for an increase in calls. The CDC recommends that facilities seal all possible entries (rats can enter a building through a half-inch opening) and make sure garbage bins are tightly closed.

Several cities have already noticed an uptick in unusual rat activity. Colonies of rats in New York City that have depended on restaurants’ nightly trash for hundreds of generations are now venturing out during daytime hours and entering buildings that have not previously seen rodent activity, the New York Times reports. In New Orleans, hordes of rats took over the streets after tourists left. Thousands of rats in Chicago have started traveling farther and during the daytime searching for food, some even moving into car engines.

Read about new methods and approaches to pest control for your facility.

Latest Articles

2026 Building Service Contractor Benchmarking Survey Report
August 28, 2026 Kathleen Misovic

2026 Building Service Contractor Benchmarking Survey Report

August 27, 2026 Dr. Anna O’Donovan

The Culprits Behind Poor Indoor Air

August 26, 2026 Kyle Mason

How Cleaning Teams Are Standardizing Work in High-Turnover Environments

Sponsored Articles

New Technology Platform Targets the Hidden 90% of Cleaning Budgets
July 16, 2026 Sponsored by Optisolve

New Technology Platform Targets the Hidden 90% of Cleaning Budgets

July 7, 2026 Dr. Rebecca Bascom & Dr. Gavin Macgregor-Skinner & Dr. Omrana Pasha-Razzak

Evidence-Based Cleaning Ensures Healthy Places and Spaces

July 2, 2026

D.A.R.E. to Clean Restrooms Smarter with Tornado

Recent News

janitors cleaning in office

Single Digit Growth Projected for US Janitorial Industry During Next 5 Years

Check Out the September\October 2026 ISSA Today Digital Issue

US Office Market Demand Continues to Grow