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"Listeria" is a bacterial genus that contains 7 species. Named after the English pioneer of sterile surgery Joseph Lister, genus received its current name in 1940. Listeria species are Gram-positive bacilli. The major human pathogen in the Listeria genus is "L. monocytogenes." Causative agent of relatively rare bacterial disease, listeriosis, a serious infection caused by eating food contaminated with bacteria. Disease affects primarily pregnant women, newborns, adults with weakened immunity."
Transmission electron micrograph of Middle East respiratory syndrome coronavirus (MERS-CoV). Credit: NIAID From the CDC: Middle East Respiratory Syndrome (MERS) is viral respiratory illness first reported in Saudi Arabia in 2012. It is caused by a coronavirus called MERS-CoV. Most people who have been confirmed to have MERS-CoV infection developed severe acute respiratory illness. They had fever, cough, and shortness of breath. About half of these people died.
Most people know the four blood types, A, B, AB, and O but lesser known are the Japanese personality traits associated with each blood type. (Hmm ???) This infographic contains blood related facts such as blood donation requirements, diseases requiring blood donations, and more.
This is a colorized transmission electron micrograph of Escherichia coli O157:H7 showing flagella. Pseudoreplica technique. E. coli O157:H7 was first recognized as a cause of illness in 1982 during an outbreak of severe bloody diarrhea; the outbreak was traced to contaminated hamburgers. Since then, most infections have come from eating undercooked ground beef.
Listeria monocytogenes, a rod-shaped bacterium, is one of the worlds deadliest foodborne pathogens. It causes listeriosis, a group of life-threatening diseases that include meningitis, encephalitis, pneumonia, septicemia, and intrauterine or cervical infections in pregnant women. The latter account for around 27 percent of the 500 listeria deaths that occur in the U.S. every year.