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.
Vaccine Discovery. Pasteurâs first vaccine discovery was in 1879 with a contagious disease called chicken-cholera. After unexpectedly exposing chickens to the weakened form of a disease, he proved that they became immune to the actual virus.ouis Pasteur helped resolve the mysteries of several deadly diseases like chicken cholera, anthrax, rabies and silkworm diseases.