In this task, you are given a sentence. You are expected to write the name of the organism substances in the body mentioned in the input. Although there might be several correct answers, you need to write one of them.
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Question:  The actin - regulatory protein gelsolin is found both intracellularly and in plasma [ 147 , 148 ] .

Answer: plasma


Question:  In addition rubella virus was isolated from breast milk MNCs in one individual at nine months postvaccination and from peripheral blood MNCs in two of four breast - fed infants studied at 12 - 18 months of age .

Answer: blood


Question:  Therefore , when CoNS or Streptococcus spp . were detected by blood culture and SeptiFast analysis , the following criteria were applied to define whether these strains represented a pathogenic infection : ( 1 ) Tests were performed at least twice within 48 hours before and after CoNS were detected by blood culture or SeptiFast analysis ; ( 2 ) CoNS or Streptococcus spp . were detected in two different blood culture tests that were separately performed twice within 48 hours ; and , ( 3 ) CoNS or Streptococcus spp . were detected twice or more in tests that were performed three times [ 11 - 15 ] .

Answer:
blood


