This 2019 image depicted a Centers for Disease Control and Prevention (CDC) laboratory technician, dressed in personal protective equipment (PPE), in the process of pipetting samples of bronchoalveolar lavage (BAL) fluid, which would undergo analysis, here, in this laboratory environment.

person holding orange and white toothbrush

Female scientist pipetting colored chemicals into a tube.

Julia Koblitz

Louis Reed

person holding white and brown cigarette stick

Emin BAYCAN

man in white chef uniform holding purple plastic bottle

Researcher Checks Test Tubes. An African American male researcher checks test tubes as an AfricanAmerican female cancer researcher looks on.

National Cancer Institute

person in white long sleeve shirt holding green and white labeled can

This Centers for Disease Control and Prevention (CDC) scientist was shown implementing molecular testing, in order to test for different types of polio. The 6-assay screening can determine which samples are polio, the specific serotype of polio, and whether they are vaccine, or wild strains.

woman in white robe sitting on black office rolling chair

A female scientist in a laboratory looks through a microscope.

DNA Genotyping and Sequencing. A technician observing cells under a microscope at the Cancer Genomics Research Laboratory, part of the National Cancer Institute's Division of Cancer Epidemiology and Genetics (DCEG).

Ousa Chea

Vacutainer tubes with blood. Used in Covid-19 detection. 

Laboratory technician