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.
Poliomyelitis, shortened, became polio. For a time, polio was called infantile paralysis, though it did not affect only the young. Cause of Polio. Polio is caused by one of three types of poliovirus (which are members of the Enterovirus genus).These viruses spread through contact between people, by nasal and oral secretions, and by contact with contaminated feces.oliomyelitis, shortened, became polio. For a time, polio was called infantile paralysis, though it did not affect only the young. Cause of Polio. Polio is caused by one of three types of poliovirus (which are members of the Enterovirus genus).