Infectious Diseases

New study looks at improving vaccine awareness

The best medical therapies won't do much good if the public abstains from using them. Resistance to life-saving interventions may have a variety of root causes, particularly if the biotechnology involved is new and poorly ...

Sep 15, 2014
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Report outlines 'must-have' sexual health services for men

(Medical Xpress)—Compared with women, American men have worse access to reproductive and sexual health care, research shows, a disparity fueled in part by the lack of standard clinical guidelines on the types and timing ...

Sep 12, 2014
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Ebola's ripple effects

The race to stamp out West Africa's Ebola epidemic is not just about saving lives. It's also about stemming an assault on society that could include food shortages and mass migration, morphing from a medical ...

Sep 11, 2014
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Long acting HIV drugs to be developed

HIV drugs which only need to be taken once a month are to be developed at the University of Liverpool in a bid to overcome the problem of 'pill fatigue'.

Sep 11, 2014
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Infectious diseases, also known as contagious diseases or transmissible diseases, and include communicable diseases, comprise clinically evident illness (i.e., characteristic medical signs and/or symptoms of disease) resulting from the infection, presence and growth of pathogenic biological agents in an individual host organism. In certain cases, infectious diseases may be asymptomatic for much or all of their course. Infectious pathogens include some viruses, bacteria, fungi, protozoa, multicellular parasites, and aberrant proteins known as prions. These pathogens are the cause of disease epidemics, in the sense that without the pathogen, no infectious epidemic occurs.

Transmission of pathogen can occur in various ways including physical contact, contaminated food, body fluids, objects, airborne inhalation, or through vector organisms. Infectious diseases that are especially infective are sometimes called contagious and can be easily transmitted by contact with an ill person or their secretions. Infectious diseases with more specialized routes of infection, such as vector transmission or sexual transmission, are usually regarded as contagious but do not require medical quarantine of victims.

The term infectivity describes the ability of an organism to enter, survive and multiply in the host, while the infectiousness of a disease indicates the comparative ease with which the disease is transmitted to other hosts. An infection is not synonymous with an infectious disease, as some infections do not cause illness in a host.

This text uses material from Wikipedia licensed under CC BY-SA

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