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Preview: Tropical Diseases News From Medical News Today

Tropical Diseases News From Medical News Today



Tropical diseases are diseases that are prevalent in or unique to tropical and subtropical regions. Tropical diseases include Chagas disease, schistosomiasis, malaria, dengue, leprosy, Buruli ulcer, dracunculiasis, Ebola, cholera, West Nile disease and ye



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News from the pathogen that causes sleeping sickness

Tue, 27 Jun 2017 00:00:00 PDT

The life-threatening African trypanosomiasis, also called sleeping sickness, is caused by protozoa of the species Trypanosoma brucei.



Ebola vaccine developed in Canada shows promising results

Tue, 20 Jun 2017 00:00:00 PDT

A phase 1 randomized controlled trial has found an Ebola virus disease (EVD) vaccine, developed in Canada, was well-tolerated with no safety concerns, and high antibodies were present in participants...



New genetic technique could help identify potential drug targets for malaria

Mon, 19 Jun 2017 00:00:00 PDT

Scientists have developed a new technique for investigating the effects of gene deletion at later stages in the life cycle of a parasite that causes malaria in rodents, according to a new study in...



Anti-malaria drugs: Potential new target identified

Wed, 14 Jun 2017 09:00:00 PDT

A newly described protein could be an effective target for combatting drug-resistant malaria parasites.



Zika and chikungunya virus in a single mosquito bite

Tue, 13 Jun 2017 00:00:00 PDT

Yellow fever mosquitos can carry both the Zika virus and the chikungunya virus in their saliva, which implies that people can be infected with both viruses in a single bite.



Mosquitoes infected with virus-suppressing bacteria could help control dengue fever

Tue, 30 May 2017 11:00:00 PDT

Mosquitos infected with the bacteria Wolbachia are significantly worse vectors for dengue virus, but how to establish and spread Wolbachia in an urban mosquito population is unclear.



Zika virus spread undetected for many months, NIH-supported study finds

Thu, 25 May 2017 06:00:00 PDT

Virus quickly spread in the Americas, then diverged into distinct genetic groups.



Modified experimental vaccine protects monkeys from deadly malaria

Wed, 24 May 2017 00:00:00 PDT

Researchers from the National Institute of Allergy and Infectious Diseases (NIAID), part of the National Institutes of Health, modified an experimental malaria vaccine and showed that it completely...



Lessons from Ebola: New approach improves disease outbreak management

Wed, 17 May 2017 00:00:00 PDT

A new approach to information gathering could allow scientists to quickly identify the most effective way to manage a disease outbreak, an advance that could save lives.



Zika virus could cost United States billions of dollars

Thu, 11 May 2017 00:00:00 PDT

As United States policymakers debate how to devote money and resources to the Zika virus outbreak, understanding the potential economic impact of the virus in the US is key.



CDC updates guidance on interpretation of Zika testing results for pregnant women

Tue, 09 May 2017 00:00:00 PDT

Recommendations focus on women who live in or frequently travel to areas with a CDC Zika travel notice.



Novel compound blocks replication of Zika and other viruses by using a cell's innate defense system

Fri, 05 May 2017 00:00:00 PDT

The cells of vertebrates have evolved pathways that act like an internal defense, inhibiting viral infections by preventing replication of the pathogens.



Zika virus persists in the central nervous system and lymph nodes of Rhesus monkeys

Tue, 02 May 2017 06:00:00 PDT

Zika virus can persist in cerebrospinal fluid (CSF), lymph nodes and colorectal tissue of infected rhesus monkeys for weeks after the virus has been cleared from blood, urine and mucosal secretions...



Malaria sickening thousands in US and racking up millions in healthcare costs, new study finds

Wed, 26 Apr 2017 00:00:00 PDT

Though transmission of malaria was wiped out in the United States decades ago and infections are falling in parts of the developing world, malaria hospitalizations and deaths in the U.S.



NIH study of Ebola patient traces disease progression and recovery

Tue, 18 Apr 2017 00:00:00 PDT

Analysis of daily gene activation in a patient with severe Ebola virus disease cared for at the National Institutes of Health in 2015 found changes in antiviral and immune response genes that...



Drinking iced tea may boost cholera risk in endemic countries

Tue, 18 Apr 2017 00:00:00 PDT

After more than a decade of declining cholera incidence, Vietnam faced an increase in cases of the diarrheal disease during 2007-2010.



Monoclonal antibody cures Marburg infection in monkeys

Fri, 07 Apr 2017 00:00:00 PDT

Scientists funded by the National Institutes of Health have found that an experimental treatment cured 100 percent of guinea pigs and rhesus monkeys in late stages of infection with lethal levels...



Negative regulator stops extreme immune response to parasite, averting multi-organ damage

Wed, 05 Apr 2017 00:00:00 PDT

Cytokines are proteins secreted by several types of immune cells in response to infection, inflammation, or injury.



Researchers profile symbiotic relationship between bacteria and filarial nematodes

Mon, 03 Apr 2017 06:00:00 PDT

Filarial nematodes - microscopic, thread-like roundworms - currently infect up to 54 million people worldwide and are the leading cause of disability in the developing world.



Research addresses the threat of Zika virus to the US blood supply

Thu, 30 Mar 2017 00:00:00 PDT

Investigators have shown that certain screening methods that detect the genetic material of Zika virus can be used to ensure that donated blood supplies remain free of the virus.



Zika virus: Cure steps closer with protein-mapping study

Tue, 28 Mar 2017 07:00:00 PDT

By mapping the function of a key protein that helps the Zika virus replicate and spread, researchers open a path that could lead to new drugs to stop it.



Mosquito monitoring has limited utility in dengue control, study finds

Mon, 27 Mar 2017 00:00:00 PDT

Cross-sectional surveys of mosquito abundance carried out in the subtropics and tropics are meant to give researchers an indication of the risk of a dengue virus outbreak in any given area.



Fighting malaria through mathematical analysis of parasite's metabolism

Mon, 27 Mar 2017 00:00:00 PDT

A new mathematical model, based on the deadliest malaria parasite, Plasmodium falciparum, could help develop antimalarials by identifying key metabolic targets, according to a study published in...



Human antibody for Zika virus promising for treatment, prevention

Mon, 20 Mar 2017 00:00:00 PDT

Researchers have determined the structure of a human antibody bound to the Zika virus, revealing details about how the antibody interferes with the infection mechanism - findings that could aid in...



Ebola vaccines provide immune responses after 1 year

Thu, 16 Mar 2017 00:00:00 PDT

Immune responses to Ebola vaccines at one year after vaccination are examined in a new study appearing in JAMA.