People in protective gear enter a building during an Ebola simulation exercise in Uganda in 2019.
Uganda Declares Ebola Outbreak After Fatality
The outbreak of the Sudan strain of ebolavirus, which includes eight other suspected cases, is the first to hit Uganda in more than a decade.
Uganda Declares Ebola Outbreak After Fatality
Uganda Declares Ebola Outbreak After Fatality

The outbreak of the Sudan strain of ebolavirus, which includes eight other suspected cases, is the first to hit Uganda in more than a decade.

The outbreak of the Sudan strain of ebolavirus, which includes eight other suspected cases, is the first to hit Uganda in more than a decade.

WHO
map showing Tanzania
Unidentified Bleeding Disease Kills Three in Tanzania
Andy Carstens | Jul 15, 2022
Thirteen people with the illness have tested negative for Ebola and Marburg. The Tanzanian government continues to investigate the source.
Egyptian fruit bat hanging from branch
Marburg Virus Detected in Ghana for First Time
Andy Carstens | Jul 8, 2022
Preliminary testing indicates that the two people died from the Ebola-like virus, the World Health Organization says.
Micrograph of a beta cell, where insulin granules are shown as blue small balls, mitochondria are colored green, and a fraction of the cell nucleus appears in purple.
Diabetes Linked to Malnutrition Is Metabolically Unique: Study
Alejandra Manjarrez | Jun 16, 2022
Results from a small sample of Indian males suggest that lean individuals with a history of malnutrition suffer from a distinct type of diabetes characterized by a defect in insulin secretion.
A transmission electron microscopic image of a tissue section containing variola virus particles, the pathogen responsible for causing smallpox in humans
Opinion: Destroy All Samples of the Smallpox Virus
Gigi Gronvall and Tara Kirk Sell | Jun 1, 2022
With a global alarm ringing because of an unprecedented outbreak of monkeypox, we should also consider a different but closely related viral threat.
old-fashioned, black and white alarm clock with words "the end"
Editorial: When Will This Pandemic Officially End?
Bob Grant | Mar 11, 2022
And does it even matter?
smiling woman against a backdrop of bookshelves
WHO Scientist Mwele Malecela Dies at 59
Pradip Chatterjee | Mar 4, 2022
Her achievements included developing a roadmap to tackle neglected tropical diseases.
images related to COVID-19 pandemic, including sign reading "please keep your distance," illustration of the virus, various pills, vaccine syringes
What We Learned About COVID-19 in 2021
Shawna Williams | Dec 16, 2021
As Omicron induces a sense of deja vu at the close of the year, we look back at a few key ways in which our understanding has moved forward.
close-up of a mosquito on human skin
Hope, Concern Surround WHO Green Light of First Malaria Vaccine
Katarina Zimmer | Oct 28, 2021
RTS,S has several flaws but could still save tens of thousands of lives, experts say.
WHO logo on building
WHO Restarts Investigation of COVID-19 Emergence with New Panel
Chloe Tenn | Sep 28, 2021
A new, more diverse group of researchers is being appointed take over the stalled investigation.
a pill bottle with dice spilling out
Book Excerpt from You Bet Your Life
Paul A. Offit | Sep 21, 2021
In his book’s Introduction, physician-scientist Paul A. Offit reviews the unusual constellation of circumstances around the development of COVID-19 vaccines.
tube of blood labeled positive for COVID-19 Mu variant
What We Know About Mu, the WHO’s Latest Variant of Interest
Christie Wilcox | Sep 7, 2021
The SARS-CoV-2 variant was first detected in January, but its rising prevalence and potential resistance to vaccines has garnered it special attention from the World Health Organization.
photo of Abidjan skyline, which includes skyscrapers near a shoreline and white clouds against a blue sky
Ivory Coast Confirms First Ebola Case Since 1994
Annie Melchor | Aug 16, 2021
Officials say it’s not yet clear whether this case is linked to an outbreak in Guinea earlier this summer.
part of West Africa as shown on a desk globe
Marburg Virus Disease Detected in West Africa for First Time
Shawna Williams | Aug 10, 2021
The finding of the Ebola-like disease, which killed a man in Guinea, has prompted public health measures.
cartoon showing a hand taking a tool to a double-helix of DNA to represent gene editing
WHO Releases New Recommendations on Human Genome Editing
Annie Melchor | Jul 12, 2021
The guidance comes after two years of consulting with hundreds of stakeholders, including indigenous peoples, religious leaders, patient groups, and scientists.
gloved hand holding test tube of blood with a label marking the sample as positive for malaria. There are tubes with lids of various colors in the background.
China Is Malaria-Free, Says World Health Organization
Annie Melchor | Jun 30, 2021
The certification, a major accomplishment for the world’s most populous nation, may serve as an example to other countries struggling with malaria eradication.
the World Health Organization headquarters building
BioHub Network Aims to Advance Sharing of Pathogens for Research
Shawna Williams | Jun 6, 2021
The World Health Organization–led program will promote equity in addition to facilitating access to samples, a WHO official involved in the project tells The Scientist.
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Oxford/AstraZeneca COVID-19 Vaccine on Hold in Some Countries
Asher Jones | Mar 12, 2021
Rollouts of the shot have ground to a halt following reports of blood clots, but health authorities say that these fears are unfounded and vaccination programs should continue.
Interim Report on Origin of SARS-CoV-2 Scrapped by WHO
Lisa Winter | Mar 5, 2021
Instead, the full report will be available in mid-March.
wuhan china who world health organization sars-cov-2 origins lab escape huanan seafood market intermediate host bat covid-19 coronavirus pandemic
WHO Discounts Idea that SARS-CoV-2 Leaked from a Lab
Kerry Grens | Feb 9, 2021
An investigation by the World Health Organization into the origins of COVID-19 will instead focus on the virus’s animal origins and the possibility of spread through frozen foods.