Cryosols is a valuable reference for soil scientists, ecologists, biologists, agronomists, foresters, and conservationists interested in the permafrost region. Springer.com Cryosols
Polio, which struck children disproportionately, could attack the central nervous system and cause muscle deterioration, paralysis and even death. American virologist Jonas Salk, who was born 100 years today on October 28, 1914, developed the worldâs first safe and effective polio vaccine.
The first ever polio vaccine was developed by Dr. Jonas Salk at the University of Pittsburgh in the early 1950s. It was a killed vaccine that was tested in clinical trials in â¦ 1954 and ultimately gained government approval by 1955 for use on the general public.There is also another polio vaccine that was developed by Dr. Albert Sabin. This vaccine was a live version of the polio virus and is taken orally. It was approved for use in the general public in 1963.