Group 1 - The core issue highlighted is the health risks associated with "Aspergillus fumigatus," a type of mold that can cause severe infections, particularly in individuals with weakened immune systems [1][3] - "Aspergillus fumigatus" is a common mold found in various environments, often hidden in places like corners, kitchen sinks, and unused books, posing a risk during cleaning activities [3][5] - The article mentions several cases of individuals suffering from infections after exposure to mold during cleaning, emphasizing the need for caution [5][6] Group 2 - Mold can lead to respiratory issues, skin problems, and gastrointestinal infections, with some types, like "Aflatoxin," being potential carcinogens [6][9] - "Aspergillus fumigatus" is recognized by the World Health Organization as a significant pathogen, capable of causing life-threatening conditions such as invasive aspergillosis [6][8] - The article provides guidance on how to effectively clean mold, recommending methods such as using high temperatures and specific disinfectants while emphasizing the importance of personal protective equipment [10][11] Group 3 - During the Spring Festival cleaning, there are warnings against mixing different cleaning agents, as this can produce toxic gases [13][14] - Specific combinations of cleaning agents, such as toilet cleaner with bleach, can lead to dangerous chemical reactions, highlighting the importance of safe cleaning practices [14][15][16] - Recommendations include wearing gloves, masks, and goggles while cleaning to prevent exposure to harmful substances [16]