Diseases, Conditions, Syndromes

Aid group: Most new Ebola cases were not known contacts

The World Health Organization emphasized progress in the fight against Ebola in eastern Congo even as Doctors Without Borders warned Tuesday that efforts to trace new cases to previous ones are largely failing.

Medications

China unlikely to curb fentanyl exports in short-term

Strict policies traditionally embraced by Asian nations to discourage illicit drug use are beginning to change, with a few nations adopting alternative approaches while other nations are taking an even harder line against ...

HIV & AIDS

CDC: New HIV transmission often from those unaware of infection

(HealthDay)—Most new HIV transmissions are from people who do not know they have HIV infection or are aware of infection but are not receiving care, according to research published in the March 18 early-release issue of ...

Diseases, Conditions, Syndromes

Research should be at the heart of an epidemic response

To be prepared for epidemics, we need certain things in place. We need widespread surveillance systems to detect outbreaks before they can spread, and robust health systems that can give people the care and treatment they ...

HIV & AIDS

Aspirin could reduce HIV infections in women

With nearly two million new infections and one million associated deaths each year, the HIV (human immunodeficiency virus) pandemic is alive and well. Thirty-seven million people are now living with HIV, more than half of ...

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Transmission (medicine)

In medicine, transmission is the passing of a disease from an infected individual or group to a previously uninfected individual or group. The microorganisms (bacteria and viruses) that cause disease may be transmitted from one person to another by one or more of the following means:

Microorganisms vary widely in the length of time that they can survive outside the human body, and so vary in how they are transmitted.

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