The oral vaccine for polio was discovered by:

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

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If $Plasmodium$ sporozoites are injected into a dog,the dog will:

Which of the following is represented as $H_2L_2$?

Which of the following is/are inconsistent with a healthy individual?
$(1)$ Increased efficiency
$(2)$ Higher productivity
$(3)$ Increased longevity of people
$(4)$ Increase in infant and maternal mortality rates

An attenuated virus:

$A$: $ELISA$ is based on the principle of antigen-antibody interaction.
$B$: In $ELISA$,infection by a pathogen can be detected by the presence of antigens or by detecting the antibodies synthesized against the pathogen.

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