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(jonas salk, vaccine makup, Albert Sabin, poliomyelitis, iron lung, March…
jonas salk
injected
first
second
1/2500000
vaccine makup
smallpox
cowpox
parties
RNA
riboneucleic acid
mRNA
1 RNA
Albert Sabin
OPV
commonly used
poliomyelitis
FDR
rehabilitation centers
paralytic polio
death count
doctors
iron lung
medical facilities
out of service
March of dimes
wellbee
researchers
1955
1938
1938