A nurse nun visits the graves of victims of a 1976 Ebola outbreak.
The audio version of a long read on the historical mistakes and cover ups that hampered the response to the devastating Ebola outbreak of 2014.
A CDC scientist measures the amount of H7N9 avian flu virus grown in a lab.
James Gathany/CDC/Handout via REUTERS
Science has come a long way in the 100 years since the worst flu pandemic in history. But that doesn't mean that the country is ready for another health disaster.
A giant ant carries a dead fellow in the name of cleanliness.
Ants produce their own antimicrobial chemicals to fight bacteria.
Influenza victims crowd into an emergency hospital near Fort Riley, Kansas in 1918.
AP Photo/National Museum of Health
Don't believe these 10 common myths about the 1918 Spanish flu.
How responsible are migratory animals for spreading diseases?
Migratory animals are often blamed for the global spread of disease. However, recent research indicates they may not be the primary culprit.
People in Canada and around the world are living longer thanks to public health and modern medicine. It’s time to treat aging as an asset, not a process of decline.
The population is aging in Canada and around the world. It's time to focus our attentions on optimal aging instead of grimly tallying the burdens of growing old.
We all have to die of something, so why can’t I die by delicious donuts?
Sure, you have to die of something, but you may not have to die so soon - and you could be healthier, wealthier and happier in the meantime.
Yahya Arhab / EPA
771,945 have been infected.
Scientists are using a powerful gene editing technique to understand how human embryos develop.
A new gene editing experiment explores human development. With this comes new ethical questions: How do scientists acquire embryos and how are their projects approved?
Waluh, a one-day-old male baby pygmy hippopotamus (Cheropsis libereensis), swims with his mother.
Why are some animals resistant to waterborne disease? A reader wants to know.
Awareness and knowledge about rabies at a local level is key. This can help prevent bites and encourage people to get post-exposure treatment.
The strategy to eliminate human rabies is straight forward: vaccinate dogs, provide prompt post-exposure vaccines, public education and awareness on prevention.
Discarded used hypodermic needles along the Merrimack River in Lowell, Massachusetts.
Charles Krupa/AP Photos
HIV, STIs and other dangerous infections are feeding off of the opioid epidemic, creating an even more complicated threat to public health.
Bacteria cultured from a sample of air in a public building.
When jetting off on holiday, we rarely give a second thought to what microbes we might be taking with us. But humans spread trillions of bacteria around the globe, potentially harming ecosystems' balance.
Feral pigs are found in every state and territory in Australia.
Swine brucellosis is spreading from Queensland into New South Wales. It's carried by feral pigs and poses a real risk the people and dogs that hunt them.
Those keypads are teeming with microbes.
AP Photo/Charlie Riedel
What's on your cash? Studies show our money carries everything from pet DNA and old food to E.coli and traces of cocaine.
Biologists only really started to use maths in the last few decades.
Under pressure to create new markets, big alcohol producers are scouring the African continent in what promises to yield negative socioeconomic consequences.
What does dementia feel like?
Activists form a red ribbon, the symbol of the worldwide campaign against AIDS in Russia, 2010.
In Russia, social networks have given a new life to the conspiracy theory that HIV-AIDS is a global hoax.
Studies show wifi, mobile phones and other sources of electromagnetic radiation don’t make us sick. So, why are some people convinced they’re electrosensitive?
Studies suggest electrosensitivity is a "communicated" disease, spread by people hearing about the alleged dangers, and sometimes worrying themselves sick.