Blood

Health worker obtaining blood sample from patient. This blood smear micrograph reveals a Babesia sp. tetrad formation. This laboratorian is conducting a fetal hemoglobin test. This photograph shows a CDC clinician attaching an identification label to a “Vacutainer ™” containing a blood sample. This technician is discharging a vertebrate blood sample from a syringe into a test tube to be tested later for arbovirus. This technician is storing blood samples on wet ice so they may later be tested for the presence of arbovirus. This photograph shows a public health practitioner obtaining a blood sample from a female patient. In this 1976 photograph, Dr. Gary Noble was drawing blood to be tested for its antibody concentrations. This Red Cross volunteer was drawing blood to be tested for its concentration of antibodies during a 1976 influenza outbreak. This photograph shows a patient having his blood pressure read by a public health practitioner.