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.
Polio is a crippling and potentially fatal infectious disease. There is no cure, but there are safe and effective vaccines. Therefore, the strategy to eradicate polio is based on preventing infection by immunizing every child to stop transmission and ultimately make the world polio free.In 1988, the World Health Assembly adopted a resolution for the worldwide eradication of polio.here is no cure, but there are safe and effective vaccines. Therefore, the strategy to eradicate polio is based on preventing infection by immunizing every child to stop transmission and ultimately make the world polio free. In 1988, the World Health Assembly adopted a resolution for the worldwide eradication of polio.