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
Barry Valentine soloist and as accompanist to singers and fellow musicians. He "delighted audiences not only with his playing but also with his lucid and humorous commentaries." Valentine died Friday, October 16, 2009 on Salt Spring Island, BC. A memorial service was held on Sunday, October 25, 2009 at St. John's Anglican Cathedral in Winnipeg. He was survived by his wife Johnian Carolyn Evans A son, John Valentine, played international cricket for the Canadian national side, and took Canada's first wicket in One Day Internationals. Barry Valentine Barry Valentine (26 September 1927 – 16 October 2009) was bishop of the Diocese of