Despite being so small they can't be seen with the naked eye, pathogens that cause human disease have greatly affected the way humans live for centuries.
Spanish flu killed more people than the Great War that preceded it. And tuberculosis even more than that.
from www.shutterstock.com.au
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.
In sickness and in health.
AP Photo/Timothy D. Easley
Marriage has long been tied to better health. The first study of the relationship between marriage, health and quality of life for LGBT Americans affirms the benefits of marriage – with some caveats.
Reggie Batiste with the AIDS Healthcare Foundation in Atlanta administers an HIV test.
David Goldman/AP
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?
Karen Hofman, University of the Witwatersrand and Charles Parry, South African Medical Research Council
Under pressure to create new markets, big alcohol producers are scouring the African continent in what promises to yield negative socioeconomic consequences.
Keeping medical data electronically is ideal. It saves time and can be used more efficiently.
Philip Setel
Africa is expected to have among the steepest increases in the number of people affected by non-communicable diseases - it needs health care systems that can cope.
Some of the notable additions to the PBS include drugs to treat eye and HIV infections, cystic fibrosis, multiple sclerosis, and cancer.
from shutterstock.com
Double standards about sexual activity not only make life difficult, but they also complicate STD research. As we observe STD Awareness Month, it's good to think about how to get to the truth.
As South Africa marks Human Rights Day and the 20th anniversary of its constitution it's a good time to reflect on the problems it faces in making constitutional rights a reality.
Mass funeral for the victims of the 1960 Sharpeville massacre.
Flickr
Besides a reminder of a dark period in South Africa's history, Human Rights Day also celebrates the country's unique, highly acclaimed constitution which guarantees human dignity and equal rights.
We have an awful lot in common with the viruses that infect us.
HIV plays hide and seek with the body’s immune system to evade detection. But we can learn from its tactics to make a range of vaccines against infectious diseases.
from www.shutterstock.com
Ignoring those at 'high risk' of HIV in order to sustain the idea of the 'good' gay man will only perpetuate the virus.
Rates of sexually transmissible infections among the Indigenous population are still much higher than the non-Indigenous population.
from www.shutterstock.com.au
The annual surveillance report of sexually transmissible infections and blood borne viruses in Australia has found notifications of sexually transmissible infections are on the rise in Australia.
Recent improvements in medical management of HIV infection are not well understood in the legal sector.
www.shutterstock.com
HIV diagnosis is devastating for patients and their families. But the infection is no longer a death sentence, and should not be prosecuted as such say experts.
Director, The Peter Doherty Institute for Infection and Immunity, The University of Melbourne and Royal Melbourne Hospital and Consultant Physician, Department of Infectious Diseases, Alfred Hospital and Monash University, The Peter Doherty Institute for Infection and Immunity