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Specify the characteristics of studies for which the specimens were collected. If you do not have any study preferences, leave the options that are already selected.

Only studies that meet all of the requirements you specify here will appear in the search results.

These characteristics only apply to HVTN network studies. If you select any of these characteristics, your search results will be limited to HVTN specimens. If you do not have any HVTN study preferences, leave these options as blank.

Specify the types of participants for which you are interested in specimens. If you do not have any participant preferences, leave the options that are already selected. Some specimens were collected from participants for which certain information is not defined. For example, there are some specimens available where the participant's CD4 count was not known.

Only studies that meet all of the requirements you specify here will appear in the search results.

• Demographics

  Age

  This is the age of participants at the time they joined a study, which may differ from their age at the time the specimen was collected.  If you do not specify a value, we'll assume you have no preference.

  Greater than or equal to

  Less than or equal to

  Between

  Between

  and

  No preference
  Sex

  This is the participant's biological sex at the time of birth.

  • Male
  • Female
  • No preference
  Race

  There are specimens available that were collected from participants whose race was not known. If you want specimens from these participants to be included, select no preference.

  Asian

  American Indian

  White

  Black or African American

  Alaska Native

  Native Hawaiian or other Pacific Islands

  No preference
  Ethnicity

  There are specimens available that were collected from participants whose ethnicity was not known. If you want specimens from these participants to be included, select no preference.

  • Hispanic or Latino
  • Not Hispanic or Latino
  • No preference

• HIV Lab Results

  CD4

  Enter desired CD4 levels as a count or a percentage. You can only enter a value between 0 and 100000.

  Greater than or equal to

  Greater than or equal to

  Select count or percentage Count Percent

  Less than or equal to

  Select count or percentage Count Percent

  Between

  Between

  and

  Select count or percentage Count Percent

  No preference
  HIV plasma viral load (in copies/mL)

  You can enter a minimum and maximum viral load for specimens, or specify a range by entering both. You can only enter a value greater than 0.

  Greater than or equal to

  Range label

  Less than or equal to

  Range label

  Between

  Between

  and

  No preference

These criteria options are only available for HVTN participants. If you select any of these options, your search results will be limited to HVTN specimens. If you do not have any HVTN participant criteria preferences, leave these options as blank.