Spontaneous Osteonecrosis Knee. A Relatively common cause of knee pain in women occurs when a segment of bone loses its blood supply and begins to die. More than 3 times as many women as men are affected; most are over the age of 60 years.
The vaccine for chicken pox came out in the year 1995, because many people were dying from this disease. But only adults were dying from it and they say very few kids died froâ¦m it. 1995 February 30, 19990.543.
So while a cure for chicken pox may not be at the top of the list when it comes to serious diseases, we have successfully made this childhood rite of passage unnecessary. Smallpox On May 8, 1980, the World Health Organization deemed smallpox dead.