Benzylpenicillin of penicillin allergy. Use during pregnancy is generally safe. It is in the penicillin and β-lactam class of medications. Benzylpenicillin was discovered in 1929 by Alexander Fleming and came into commercial use in 1942. It is on the World Health Organization's List of Essential Medicines, the most effective and safe medicines needed in a health system. The wholesale cost in the developing world is about US$0.24–2.72 per day. In the United States a course of treatment costs $100–200. As an antibiotic, benzylpenicillin is noted to possess effectiveness mainly against Gram-positive organisms. Some Gram-negative organisms such as "Neisseria gonorrhoeae" and "Leptospira
Valentine Phantom Valentine Phantom The Valentine Phantom, often referred to as the Valentine Bandit in media reports, refers to an unidentified individual or group who each Valentine's Day secretly decorate the downtown area of a city in the United States with a series of red hearts printed on sheets of letter-sized paper. The reports began in Portland, Maine in 1985, and the perpetrators remain unknown. Speculation about the individual or group which decorates before dawn each February 14 is popular in conversation, and local media, and over the past ten years has emerged as an example of vernacular culture. The earliest known