person in purple long sleeve shirt holding white plastic container

This Centers for Disease Control and Prevention (CDC) scientist had prepared patients' samples for SARS-CoV-2 antibody testing. Serological testing is used to detect antibodies, which indicate past infection with the virus that causes COVID-19, and is important to the understanding of disease prevalence within a population.

woman in black blazer sitting on black sofa

Centers for Disease Control and Prevention (CDC), Quarantine Station staff, respond to reports of sick travelers at 18 United States international airports, and land ports of entry, where most international travelers arrive. Here, CDC Quarantine, Public Health Officer, Diana Lu, was assessing a sick traveler, who had just arrived at the Los Angeles International Airport from another country. She is trained to ask such questions as: “When did the fever start? Any other symptoms? 

This Centers for Disease Control and Prevention (CDC) scientist was reviewing a plate with serological test samples. Serological testing is used to detect antibodies, which indicate past infection with the virus that causes COVID-19, and is important to the understanding of disease prevalence within a population.

man in white chef uniform wearing blue goggles

In this April 2020 photo, a team of three volunteers was preparing swabs to test residents of a skilled nursing facility in Detroit, Michigan, for COVID-19. The volunteer at right, would collect the specimen from the resident. The volunteer in the center, would then retrieve and store the specimen in viral transport media, while the member on the left, identified pre-labeled biohazard bags for specimen collection.

COVID-19 Screening Tool (apple.com/covid19)

Brian McGowan

man in black and white jacket wearing black hat standing beside brown concrete building during daytime

Public art encouraging citizens to shelter-in-place in order to prevent the spread of COVID-19

Jennifer Griffin

Colorful double exposure of US Coronavirus COVID-19 cases (March 18, 2020).

Here, a Centers for Disease Control and Prevention (CDC) scientist was explaining instrument design and methods for serology testing, which can determine whether someone has had COVID-19 before.

Martin Sanchez

a man in a protective suit and mask working on a machine

Created in 2005, this photograph depicts one of the Centers for Disease Control's (CDC) staff microbiologists using an electronic pipetter to extract reconstructed 1918 Pandemic Influenza virus from a vial containing a supernatant culture medium.

Cdc