Brucellosis Brucellosis Brucellosis is a highly contagious zoonosis caused by ingestion of unpasteurized milk or undercooked meat from infected animals, or close contact with their secretions. It is also known as undulant fever, Malta fever and Mediterranean fever. "Brucella" species are small, gram-negative, nonmotile, nonspore-forming, rod-shaped (coccobacilli) bacteria. They function as facultative intracellular parasites, causing chronic disease, which usually persists for life. Four species infect humans: "B. abortus", "B. canis", "B. melitensis", and "B. suis". "B. abortus" is less virulent than "B. melitensis" and is primarily a disease of cattle. "B. canis" affects dogs. "B. melitensis" is the most virulent and
The Foolish Old Man Removes the Mountains "Serve the People" and "Memory of Norman Bethune" (紀念白求恩), it was one of the three most-frequently read stories in the "Little Red Book" of Mao's sayings and was memorized by schoolchildren during the Cultural Revolution. The Foolish Old Man Removes the Mountains The Foolish Old Man Removes the Mountains () is a well-known fable from Chinese mythology about the virtues of perseverance and willpower. The tale first appeared in Book 5 of the "Liezi", a Daoist text of the 4th century BC, and was retold in the "Garden of Stories" by the Confucian scholar Liu Xiang in the 1st century