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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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New test distinguishes Zika from similar viral infections

Fri, 21 Jul 2017 00:00:00 PDT

A new test is the best-to-date in differentiating Zika virus infections from infections caused by similar viruses.



Experimental Zika virus vaccines restrict in utero virus transmission in mice

Wed, 19 Jul 2017 00:00:00 PDT

Two experimental vaccines can restrict Zika virus transmission from pregnant mice to their fetuses and can prevent Zika virus-induced placental damage and fetal demise, according to new findings...



Mosquito repellents: How to choose the most effective one

Sat, 15 Jul 2017 06:00:00 PDT

Mosquito repellents are an essential protection against mosquito bites. Learn how to choose the most effective repellent, and how they may prevent disease.



Study tracks leishmaniasis in dogs, wild animals and sand flies in Brazil

Thu, 13 Jul 2017 11:00:00 PDT

In the past, leishmaniasis - a parasitic infection that can be fatal in humans - has been confined to rural areas of the developing world.



Malaria drug protects fetal mice from Zika virus, NIH-funded study finds

Wed, 12 Jul 2017 00:00:00 PDT

Blocking a key placental defense may limit maternal-fetal transmission of the virus.



Chances of surviving malaria may be higher when host consumes fewer calories

Fri, 07 Jul 2017 00:00:00 PDT

Malaria parasites sense and adapt to their host's nutritional status.The chances of surviving a malaria infection may be higher when the host consumes fewer calories, according to new research.



Skin plays significant role in spread of leishmaniasis

Thu, 06 Jul 2017 00:00:00 PDT

Scientists at the University of York have discovered that parasites responsible for leishmaniasis - a globally occurring neglected tropical disease spread by sand flies - are mainly acquired from the...



Removal of invasive shrub could be an easy way to help reduce malaria transmission

Wed, 05 Jul 2017 06:00:00 PDT

Removing the flowers of an invasive shrub from mosquito-prone areas might be a simple way to help reduce malaria transmission, according to a new study published in the open access Malaria Journal.



New gene editing technique could drive out mosquito-borne disease

Fri, 30 Jun 2017 00:00:00 PDT

Scientists at UC Berkeley and UC Riverside have demonstrated a way to edit the genome of disease-carrying mosquitoes that brings us closer to suppressing them on a continental scale.



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.