1: "The Worst Poison Ivy Infestations in US History"

2: "In 2011, Ohio experienced a massive outbreak of poison ivy, causing severe skin irritations."

3: "In 2005, a group of hikers in California encountered a dense poison ivy forest, leading to hospitalizations."

4: "Texas faced a poison ivy epidemic in 2013, affecting many unsuspecting outdoor enthusiasts."

5: "In 1998, Florida residents were plagued by a sudden outbreak of poison ivy, causing widespread discomfort."

6: "Georgia's worst poison ivy infestation occurred in 2007, causing a spike in medical visits."

7: "New York City saw a record number of poison ivy cases in 2010, prompting public health warnings."

8: "Michigan experienced a severe poison ivy outbreak in 2016, leaving many residents in agony."

9: "Washington state battled a relentless poison ivy infestation in 2014, forcing park closures."