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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

Copyright: Copyright 2017 Medical News Today

Mouse model could shed new light on immune system response to Zika virus

Thu, 23 Feb 2017 11:00:00 PST

A new mouse model with a working immune system could be used in laboratory research to improve understanding of Zika virus infection and aid development of new treatments, according to a study...

Enormous promise for new parasitic infection treatment

Thu, 23 Feb 2017 00:00:00 PST

The human whipworm, which infects 500 million people and can damage physical and mental growth, is killed at egg and adult stage by a new drug class developed at the Universities of Manchester and...

Zika may cause miscarriages, thin brain tissue in babies carried to term

Thu, 23 Feb 2017 00:00:00 PST

Johns Hopkins researchers say that in early pregnancy in mice with complete immune systems, Zika virus can cross the placenta - intended to protect the developing fetus - and appears to lead to a...

New malaria vaccine effective in clinical trial

Mon, 20 Feb 2017 06:00:00 PST

University of Tübingen researchers in collaboration with the biotech company Sanaria Inc.

New protein could be key in fighting debilitating parasitic disease

Mon, 20 Feb 2017 06:00:00 PST

A naturally occurring protein has been discovered that shows promise as a biocontrol weapon against schistosomiasis, one of the world's most prevalent parasitic diseases, Oregon State University...

Disease "superspreaders" were driving cause of 2014 Ebola epidemic

Wed, 15 Feb 2017 00:00:00 PST

A new study about the overwhelming importance of "superspreaders" in some infectious disease epidemics has shown that in the catastrophic 2014-15 Ebola epidemic in West Africa, about 3 percent of...

Malaria vaccine target's invasion partner uncovered

Mon, 13 Feb 2017 00:00:00 PST

A team at the Wellcome Trust Sanger Institute has discovered how a promising malarial vaccine target - the protein RH5 - helps parasites to invade human red blood cells.

Scientists find clue to why Zika, but not its close relatives, causes birth defects

Thu, 09 Feb 2017 00:00:00 PST

The most frightening aspect of Zika virus has been its ability to produce severe fetal birth defects during pregnancy, especially microcephaly - a small head.

Research finds flaws in studies of mass deworming efforts for children in poor countries

Tue, 07 Feb 2017 00:00:00 PST

The International Journal of Epidemiology finds that three widely cited research studies relating to mass deworming in Africa have substantial problems in their methods and analysis.

Vaccine candidate offers protection from Zika virus in animal tests

Mon, 06 Feb 2017 00:00:00 PST

A newly developed vaccine against Zika virus induces a rapid and long-lived immune response in mice and non-human primates, a Nature paper reports.

Scaled-up malaria control efforts breed insecticide resistance in mosquitoes

Fri, 03 Feb 2017 06:00:00 PST

A genetic analysis of mosquito populations in Africa shows that recent successes in controlling malaria through treated bednets has led to widespread insecticide resistance in mosquitoes, according...

New scoring system predicts Ebola severity

Fri, 03 Feb 2017 06:00:00 PST

While Ebola virus disease (EVD) is notorious for being one of the world's most deadly infections, it actually has a wide range of outcomes, where asymptomatic presentation may be as common as...

Malaria superbugs threaten global malaria control

Fri, 03 Feb 2017 02:00:00 PST

A lineage of multidrug resistant P. falciparum malaria superbugs has widely spread and is now established in parts of Thailand, Laos and Cambodia, causing high treatment failure rates for the main...

Cocktail of bacteria-killing viruses prevents cholera infection in animal models

Fri, 03 Feb 2017 00:00:00 PST

Oral administration of a cocktail of three viruses, all of which specifically kill cholera bacteria, prevents infection and cholera-like symptoms in animal model experiments, report scientists from...

Discovery helps explain why only some people develop life-threatening dengue infections

Thu, 02 Feb 2017 00:00:00 PST

For most people who contract it, dengue fever is a relatively mild-mannered disease - at least the first time around.

Major drug initiatives are best way to curb threat from parasites

Thu, 26 Jan 2017 00:00:00 PST

Large-scale programmes to treat a life-threatening disease could improve the health of millions despite concerns about their long-term effects, a study suggests.

World still "grossly underprepared" for infectious disease outbreaks

Wed, 25 Jan 2017 00:00:00 PST

The world remains "grossly underprepared" for outbreaks of infectious disease, which are likely to become more frequent in the coming decades, warn a team of international experts in The BMJ.

Blood test can predict life or death outcome for patients with Ebola virus disease

Mon, 23 Jan 2017 00:00:00 PST

Scientists have identified a 'molecular barcode' in the blood of patients with Ebola virus disease that can predict whether they are likely to survive or die from the viral infection.

Researchers find that certain anti-influenza compounds also inhibit Zika virus infection

Mon, 16 Jan 2017 06:00:00 PST

Researchers from the University of Helsinki have shown that three anti-influenza compounds effectively inhibit Zika virus infection in human cells.

Cholera bacteria infect more effectively with a simple twist of shape

Mon, 16 Jan 2017 00:00:00 PST

The bacteria that cause the life-threatening disease cholera may initiate infection by coordinating a wave of mass shapeshifting that allows them to more effectively penetrate the intestines of...

Malaria transmission may increase when more parasites are transferred via mosquito bite

Mon, 16 Jan 2017 00:00:00 PST

Mosquitos carrying a greater number of malaria-causing parasites may be more likely to cause infection in the people they bite, according to a new study published in PLOS Pathogens.

Genetically engineered mosquitos resist dengue fever virus

Fri, 13 Jan 2017 06:00:00 PST

After decades of research and countless control attempts, dengue fever - a mosquito-borne viral disease - continues to infect an estimated 390 million people around the world each year.

Malaria elimination: Vaccines should be tested on larger groups of volunteers

Fri, 13 Jan 2017 06:00:00 PST

To find an effective vaccine against malaria it is crucial to test candidate vaccines on larger groups of people than previously thought - according to a new study published in PLOS Computational...

Dengue and Zika virus family uses an unexpected approach to hijack human cell machinery

Thu, 12 Jan 2017 00:00:00 PST

A group of researchers in Germany have discovered that flaviviruses - a family that includes Dengue, Zika and West Nile viruses - use an unexpected mechanism to hijack the cell's machinery to...

Malaria: Next-generation vaccine shows efficacy, safety in humans

Sun, 08 Jan 2017 00:00:00 PST

A novel vaccine that uses a weakened form of a malaria parasite has produced an effective immune response in humans, without any adverse side effects.