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population need to be willing to adapt to their environment
Answer:
Oral poliovirus vaccine or Sabin vaccine, named for its inventor American physician and microbiologist Albert Sabin, was developed. OPV contains live attenuated (weakened) virus and is given orally.
Bacilli, cocci, and spirilla
Red blood cells plus 10% salt solution is a suspension when viewed under the microscope <span>contain red blood cells that would appear wrinkled and reduced in volume.
Red blood cells are abbreviated as RBCs, the other name which is also used for these is </span>erythrocytes.Red blood cells are considered as the most common type of blood cell and they also remove carbon dioxide from the body and transport it to the lungs so that we can exhale.
Answer:
china they spread every where and very deadly no vacine
