Group 1: Listeria Outbreak in the U.S. - The CDC reported a Listeria outbreak linked to energy supplement drinks distributed in long-term care facilities, with 38 confirmed infections and 12 deaths across 21 states [1][2][3] - The affected brands, Lyons ReadyCare and Sysco, have recalled all products within the expiration date, and Sysco is removing these items from inventory and halting production from the implicated facility [1][3] - The outbreak's earliest cases date back to 2018, but over half of the infections occurred in 2024 and 2025, primarily affecting individuals aged 65 and older [2][3] Group 2: Characteristics of Listeria - Listeria is a resilient bacterium that can survive on surfaces for extended periods, with symptoms typically appearing within two weeks after consuming contaminated food [4] - Symptoms range from mild (fever, muscle aches) to severe (headache, stiff neck, confusion), posing higher risks to pregnant women, the elderly, and immunocompromised individuals [4] Group 3: Unknown Disease in the Democratic Republic of the Congo - An unknown disease in the Democratic Republic of the Congo has resulted in over 50 deaths, with symptoms including fever, headache, and diarrhea, and a mortality rate of 12.49% [5][6] - The outbreak began on January 21, with 419 reported cases, and the World Health Organization is investigating the rapid spread and potential animal-to-human transmission [5][6] - Previous outbreaks in the region have raised concerns about the emergence of unknown pathogens, with a significant increase in such incidents reported over the past decade [6][7] Group 4: Humanitarian Crisis in the DRC - Ongoing conflicts in eastern DRC have exacerbated the humanitarian crisis, leading to over 7,000 deaths and displacing hundreds of thousands, complicating efforts to control disease outbreaks [7] - The DRC Prime Minister highlighted the dire conditions in refugee camps and called for international action against neighboring countries supporting rebel groups [7]