Researchers from the Liverpool School of Tropical Medicine (LSTM) and Malawi have uncovered new evidence of zoonotic hybrid schistosome species infecting humans, raising concerns about schistosomiasis diagnosis and prevalence.
1 hour ago
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More than 280,000 people in Germany have multiple sclerosis (MS) and approximately 15,000 new cases are diagnosed each year. This makes MS the most common inflammatory disease of the central nervous system.
2 hours ago
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Women with the autoimmune diseases rheumatoid arthritis, lupus or systemic sclerosis may have a higher rate of death related to cardiovascular disease than men with the autoimmune diseases, according to new research published ...
May 6, 2025
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Immune system scientists and computational biologists are developing a new tool to investigate how the body fights disease. With this new resource, called ImmGenMaps, researchers are building a map of all major organs—and ...
May 5, 2025
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The U.S. Department of Health and Human Services and the National Institutes of Health announced a new initiative called "Generation Gold Standard" to develop next-generation, universal vaccines using a beta-propiolactone ...
May 5, 2025
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A well-known U.S. science journal focused on environmental health has stopped accepting new studies, raising alarms among researchers who rely on it heavily.
May 1, 2025
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A life-saving meningococcal vaccine covering all five common strains of the deadly disease could soon be available thanks to vital research demonstrating the safety and effectiveness of a combination Men ABCWY vaccine.
May 1, 2025
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A Broward County high school has confirmed an active case of tuberculosis, one of the deadliest, but treatable, infectious diseases in the world.
May 1, 2025
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About 44% of U.S. adults say they expect to lose trust in government health recommendations over the next four years because of federal leadership changes, according to a poll published April 29 by Harvard University and ...
Apr 30, 2025
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The seasonal timing of when infants receive the new respiratory syncytial virus (RSV) immunization is crucial for ensuring its effectiveness, according to Yale research published in JAMA Network Open.
Apr 25, 2025
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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.
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