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• iss045e028258

  • Uploaded by: NASA Johnson
  • License: CC BY-NC 2.0
  • 0 comments
  • 9 favorites
  • 26,404 views
  • Date taken: 2015-09-24 17:10:43
  • Date uploaded: 2015-09-28
  • Tags: scott, kelly, flu, shot, medical, science, twins, study, needle, immune, immunity
  • Visibility: public