Spanish flu killed more people than the Great War that preceded it. And tuberculosis even more than that.
Here we explore our past and present struggles with four of the most significant infectious diseases human beings have faced, and some of the progress we've made in prevention and treatment.
Reggie Batiste with the AIDS Healthcare Foundation in Atlanta administers an HIV test.
The number of new HIV-positive cases has sharply declined – in most parts of the country. Nonurban areas, particularly in the South, are showing sharp increases. Why?
Activists supporting the decriminalisation of sex work at the 21st International AIDS Conference in Durban, South Africa.
International AIDS Society/Abhi Indrarajan
South Africa has launched a plan to tackle HIV, TB and sexually transmitted infections -- but much depends on its implementation over the next five years.
Billionaires who pledge their fortunes to charity must not just give big, but give better. It's all about effective altruism
AIDS activists stage a ‘die-in’ in 1992 in Houston about lack of funding for AIDS research under President George H.W. Bush.
New treatments and prevention programs have inhibited the spread of HIV/AIDS since June 5, 1981, when the CDC first reported what would become HIV. Here's why it's important not to cut funding now.
Donald Trump’s first budget request for fiscal year 2018 includes drastic cuts for diplomacy and overseas aid.
In the last decade, the United States has been the leading funder for preparing and responding to global infectious outbreaks, and the delivery of basic health care to low-income countries.
Africa’s scientists are doing remarkable work.
Africa's overall contribution to research might be small, but smart people are undertaking smart and important work on and about the continent.
Community health workers like these visit patients’ homes in Malawi to help prevent mother-to-child transmission of HIV.
Baylor College of Medicine Children's Foundation–Malawi/Chris Cox
All recent Republican presidents have cut off foreign aid tied to abortion. Trump's expansive version of those restrictions endangers billions slated for HIV/AIDS, malaria and other diseases.
For the decolonisation of knowledge to be successful, it must be driven by critical thinking.
Phrases like “knowledge production” conceal the fact that knowledge answers to something beyond itself and beyond us. To produce knowledge is to find out about something.
US President Donald Trump is threatening drastic cuts in foreign aid.
The proposed foreign aid cuts by US President Donald Trump will have a devastating impact on healthcare in Africa.
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.
Cultural portrayals of HIV and AIDS tend to be stuck in the past.
A global clinical trial has been launched to reduce the cardiovascular disease risk factors among people living with HIV who are on antiretrovirals.
Better technologies should be adopted in sub-Saharan Africa to deal with childhood cancer.
Better technology to diagnose, treat and manage the disease early enough is needed to improve the survival rates of childhood cancer in sub Saharan Africa.
People with a certain gene have an adverse reaction to the antiretroviral efavirenz.
Up to 50% of the people who take the efavirenz antiretroviral react particularly badly to it and need to change drug regimens.
NGOs forced to close because of the ‘global gag rule’ provide the whole gamut of primary health-care services.
Also known as the Mexico City policy, the rule increases abortion demand and has consequences for a range of other health matters such as HIV/AIDS, cervical cancer and child health and well-being.
South African women trying to soak up stagnant water during the drought in January 2016.
Climate change imperils food supply in many parts of the world, including South Africa, which has shown major gains in treating HIV/AIDS. Climate change could mean even less food -- and more disease.
Children living in areas with poor sanitation and hygiene account for 60% of people around the world infected with intestinal worms.
There's a growing body of evidence that shows we could be doing more for the close to billion children at risk of intestinal worms. We simply cannot afford to ignore it.
Zimbabweans living with HIV who come to South Africa often have challenges remaining on their antiretroviral treatment regimens.
South Africa and Zimbabwe have made significant strides to roll out antiretrovirals. But the regional expansion of treatment programmes still needs work.
A photomicrograph of the Cryptococcus fungus.
More than 250 000 patients at highest risk for cryptococcal meningitis but no symptoms will be screened in South Africa annually to reduce the number of deaths.