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Sept. 9, 2026

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Outbreaks You Never Heard About: CDC Experts on the Frontlines (World Field Epidemiology Day)

Outbreaks You Never Heard Of Because CDC Stopped Them. 3 lab techs in personal protective equipment looking towards the camera. 250+ outbreaks stopped in 40+ countries in 2 years. — CDC's global health security experts are on the frontlines stopping deadly threats before they can spread in the U.S.

Outbreaks You Never Heard Of Because CDC Stopped Them. 3 lab techs in personal protective equipment looking towards the camera. 250+ outbreaks stopped in 40+ countries in 2 years. — CDC's global health security experts are on the frontlines stopping deadly threats before they can spread in the U.S.

Deadly outbreak: stopped in Senegal. CDC and local health department performing an interview — In 2025, CDC's global health security experts and Senegalese health officials rapidly contained a deadly outbreak of Crimean-Congo hemorrhagic fever, stopping it at the source before it could cross borders.

Health workers in protective gear work in a lab. From Crisis to Control: Lassa fever stopped in its tracks. 16 years of work in Liberia, 1 imported case and 0 additional cases in the U.S. — In 2024, when an American man returned to Iowa from Liberia unknowingly infected with Lassa fever, CDC experts acted fast to safeguard Americans from the threat, containing it before it could spread.

3 lab techs in PPE working with samples. Deadly Marburg Outbreak Stopped Before It Spread. <3 months to contain, 14 total cases, 0 cross-border spread. — In 2025, global health experts, including CDC-trained disease detectives partnered with Ethiopian health officials to detect and contain Ethiopia's very first Marburg virus outbreak, before it could reach the United States.

Woman being interviewed to gather information about outbreak. Mystery Illness: Quickly Solved in Major Travel Route. 1 month to identify, 3 months to contain. — In 2023, CDC's global health security experts and country partners identified the source of a mystery neurological illness, Guillain-Barré syndrome, in Guatemala and quickly contained the spread before it could cross borders.

Hidden Threat Uncovered Thanks to CDC-Trained Expert. Person wearing full PPE and goggles looking into camera. 1 innovative approach, 12 undercover hidden infections, 0 global spread. — In Nigeria, a CDC-trained disease detective used innovative post-mortem surveillance to uncover hidden Lassa fever and dengue cases—helping stop threats before they could spread farther and put Americans at risk.

Outbreaks You Never Heard About: Because CDC Was There

Man wearing full protective gear including mask and goggles. — Every day, CDC's global health security experts are on the frontlines helping to stop outbreaks before they spread and reach the U.S.—American-led global health security in action, keeping Americans safe.

Four scientists in ppe taking notes in a field. — In 2025, CDC experts and local partners in Vietnam contained a potentially deadly outbreak, moving the situation from crisis to control and helping protect U.S. travelers.

Four workers wearing protective outfits, putting on gloves and preparing to collect samples. — In Uganda, CDC-trained experts quickly investigated and contained an Ebola outbreak—before it could cross borders—an example of American-led global health security helping keep Americans safe.

A woman smiling holding a tablet and wearing a CDC vest. — Early detection in Tanzania helped stop and detect a deadly Marburg outbreak from crisis to control, demonstrating how CDC’s work helps protect Americans.

A woman wearing personal protective equipment (PPE) assisting her coworker in putting theirs on properly. — Thanks to CDC-trained disease detectives, DRC was able to dramatically turn the tide on an Ebola outbreak—American-led global health security in action, stopping threats at their source and keeping Americans safe.

Global Health Security Conference

June 9-12, 2026. Global Health Security Conference 2026. #GHS2026 Banner with images about global health — Global Health Security Conference 2026

Person in ppe looking at another person wearing ppe — At #GHS2026, CDC new findings show that investments in global health security helped contain 10 Ebola outbreaks across Sub-Saharan Africa (2016-2023) - saving billions and delivering more than $4 for every $1 invested.

Two women overlooking files — At #GHS2026, CDC experts highlight how data-driven approaches are improving outbreak detection and response.

a worker teaching someone how to properly wash their hands to help prevent the spread of disease — New CDC findings at #GHS2026 show how rapid response teams helped strengthen Sierra Leone's monkeypox response, improving coordination and reducing cases through faster detection.

two lab workers in PPE working with samples — At #GHS2026, CDC experts showcase how laboratory science is helping to track drug-resistant bacteria in hospitals in Vietnam.

International Day of Epidemic Preparedness

CDC: Saving Lives at Home and Around the World. December 27, 2024. International Day of Epidemic Preparedness. Two lab workers in PPE. — It is essential to highlight the urgent need to invest in systems that can prevent, detect, and respond to infectious disease outbreaks.

CDC: Saving Lives at Home and Around the World. December 27, 2024. International Day of Epidemic Preparedness. Two lab workers in PPE. — It is essential to highlight the urgent need to invest in systems that can prevent, detect, and respond to infectious disease outbreaks.

Expanding emergency centers across Kenya. International Epidemic Preparedness Day. Colleagues looking at data on a laptop. — CDC and Kenya’s efforts expanded emergency centers across Kenya helping this country respond to threats quickly.

Strengthening Labs in Vietnam. International Day of Epidemic Preparedness. Woman using a microscope. — CDC’s preparedness efforts in Vietnam are helping that country detect viruses faster.

Speeding Outbreak Response in Sierra Leone. International Day of Epidemic Preparedness. Diverse team working on a sample in a lab to help early diagnose a disease. — CDC’s partnership with Sierra Leone in using 7-1-7 has enabled this country to make significant strides in strengthening its public health systems needed for response.

World Health Workers Week

A group of CDC employees smiling surrounded by a yellow graphic. — Every April, CDC celebrates the remarkable contributions of global public health workers dedicated to safeguarding and strengthening health security worldwide.

A woman smiling holding a tablet surrounded by a colorful graphic. “World Health Worker Week, April 1-7, 2024 #WHWeek, Meet Vedestina Shumbusho, A community Health Hero’s Journey.” — CDC-trained community health worker Vedestina Shumbusho’s swift actions helped stem a recent Marburg virus outbreak in Tanzania.

A man wearing a black hat and white shirt smiling surrounded by a colorful graphic. “World Health Worker Week, April 1-7, 2024, #WHWWeek, Meet Esteban Arpushana, FETP Champion and bilingual advocate.” — A graduate of the CDC-supported FETP Frontline program in Colombia, Esteban Arpushana is a leader in bilingual health advocacy and pioneering community-based interventions.

A woman smiling wearing a graduation hat surrounded by a colorful graphic. “World Health Worker Week April 1-7, 2024, #WHWWeek, Meet Fhatuwani Gavhi, Strengthening South Africa’s Epidemic Preparedness” — Fhatuwani Gavhi, MPH, an epidemiologist at CDC's Division of Global Health Protection is a leading force in strengthening South Africa’s epidemic preparedness.

A woman with a black suit surrounded by a colorful graphic. “World Health Worker Week, April 1-7, 2024 #WHWeek, Meet Lindsay Kim, Pioneering Innovations in Global Health. — CDC's Program Director for the Division of Global Health Protection in Vietnam, Lindsay Kim, MD, MPH is advancing laboratory capabilities for global health security in Vietnam.

A woman smiling looking down at a drawing surrounded by a colorful graphic. “World Health Worker Week, April 107, 2-24 #WHWWeek, Meet Christina Craig, Engaging Communities to Save Lives.” — A behavioral scientist who joined CDC’s response team in Zambia, Christina Craig, MSc played a pivotal role in combating Zambia’s cholera outbreak.

Sept. 9, 2026

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About This Page

Published: December 26, 2024

Updated: September 9, 2026

This page was last updated on this date. Updates may include minor edits, image changes, or other modifications to page content.

Reviewed: September 9, 2026

The information on this page was last reviewed by subject matter experts to ensure accuracy.

Global Health Protection

CDC's Division of Global Health Protection works on the frontlines of global health security, in over 40 countries, to create a safer America and a safer world.

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