The mean yearly registered nurse salary in Pennsylvania was $66,010 which was equivalent to $31.74 mean hourly wage. The median per hour wage amounted to $31.17. The average RN salary in PA was $64,000 as stated by indeed.com.
Two polio vaccines are used throughout the world to provide immunity to the virus that causes poliomyelitis (or polio). The first was developed by Jonas Salk through the use of HeLa cells and first tested in 1952.Announced to the world by Dr Thomas Francis Jr. on 12 April 1955, it consists of an injected dose of inactivated (dead) poliovirus. An oral vaccine was developed by Albert Sabin using attenuated or weakened poliovirus.he two vaccines have eliminated polio from most countries in the world, and reduced the worldwide incidence from an estimated 350,000 cases in 1988 to just 223 cases in 2012. In November 2013, the World Health Organization announced a polio outbreak in Syria.
Scott Pelley of 60 Minutes reports how Stephanie Lipscomb was cured from her brain tumor in an experimental trial with the polio virus. Photo: CBS News. The deadly polio virus may be the key to curing some cancers. By injecting a modified version of polio in two patients with glioblastoma brain tumors, a doctor has eliminated their tumors without infecting them with polio. CBSâs â60 Minutesâ followed the patients for 10 months during the trial and will release the full report Sunday.