The oral vaccine for polio was discovered by:

  • A
    Sinsheimer
  • B
    Salk and Sabin
  • C
    Temin
  • D
    Lwoff

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Name of DiseaseCausative agentSymptoms
$1$. Malaria$i$. $Entamoeba \text{ } histolytica$$p$. Diarrhoea and flatulence
$2$. Elephantiasis$ii$. $Plasmodium \text{ } ovale$$q$. Enlargement of lymph vessels and nodes
$3$. Amoebiasis$iii$. $Brugia \text{ } malayi$$r$. Arthralgia and anaemia

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