SciDev.Net

A 'test and treat' HIV strategy being explored by the WHO could increase the spread of drug-resistant strains, a model predicts.

A new strain of antibiotic-resistant Salmonella is responsible for a series of deaths in Africa, genetic sequencing shows.

Cases of infection with the Colombian variant of a US bacterium, USA300, have increased by eight per cent in six years.

A round-up of the latest articles about vaccination, new life for expiring Tamiflu stocks, turkeys in Chile catching swine flu, and more.

A study looking at malaria parasites' response to artemisinin-based antimalarial drugs confirms growing resistance in western Cambodia.

A mixture of two drugs has wiped out extensively drug-resistant TB in the laboratory and clinical trials are planned.

The WHO has confirmed resistance to the malaria drug artemisinin at the Thai-Cambodia border, prompting urgent action.

The first sign that the key malaria parasite has some resistance to the wonder drug artemisinin have emerged on the Thai-Cambodian border.

Clones of extremely aggressive bacteria have been found in patients living in Colombia, Ecuador and Venezuela.

Overuse of a drug used in treating malaria may play a role in growing resistance to a related antibiotic, according to a new study in Guyana.

Following successful clinical trials of a new tool to diagnose drug-resistant TB, the WHO has endorsed its use in all affected countries.

A study has found that around one third of antimalarial drugs available in six African cities are below WHO standards.

An antibiotic used to treat drug-resistant tuberculosis may increase resistance to pneumoccocal disease, according to a study.

HIV drug resistance is becoming a major threat to China's fight against HIV/AIDS, according to researchers.

The genome of a strain of extremely drug-resistant TB has been sequenced by South African scientists, and could aid future diagnosis.

Rural South Africa will see a large increase in extensively drug-resistant tuberculosis in the next five years without intervention.

Researchers say the use of second-line TB drugs in South Africa without drug susceptibility testing led to increased drug resistance.

Adding the antibiotic moxifloxacin to a TB drug combination could reduce treatment to just four months, say researchers.

A human trial of HIV gene therapy and new drugs hold hope for treatment, say scientists at an international HIV conference.

Scientists have developed a faster, cheaper method to screen for drug-resistant HIV, an increasing problem in resource-poor countries.