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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 2016 Medical News Today

Nanoparticle vaccinates mice against dengue fever

Fri, 21 Oct 2016 00:00:00 PDT

Every year, more than 350 million people in over 120 countries contact dengue fever, which can cause symptoms ranging from achy muscles and a skin rash to life-threatening hemorrhagic fever.

Modified HIV-1 virus can integrate into genome of parasitic flatworm

Fri, 21 Oct 2016 00:00:00 PDT

Genetic manipulation of parasite that causes schistosomiasis could pave road to new treatments.

Researchers obtain first Zika sequence isolated from semen

Fri, 14 Oct 2016 00:00:00 PDT

A team of researchers from the United Kingdom has obtained the first complete genome sequence of Zika virus that was isolated from a semen sample.

Research findings may lead to promising zika virus drug targets

Wed, 12 Oct 2016 05:00:00 PDT

Following recent outbreaks of Zika virus and the potential health dangers of infection, especially during pregnancy, scientists are striving to rapidly develop effective antiviral drugs that can halt...

Scientific methods identify potential antivirals against chikungunya

Wed, 12 Oct 2016 00:00:00 PDT

Chikungunya virus has caused two recent massive outbreaks sickening millions of people.

Zika genome sequencing reveals immune-inhibiting viral molecule

Fri, 07 Oct 2016 08:00:00 PDT

Scientists map the genome of Zika virus from a patient - including noncoding regions - and identify a virus-derived molecule that targets host immunity.

Preliminary Zika vaccines prevent neurological disorders in newborn mice

Wed, 05 Oct 2016 00:00:00 PDT

Two vaccines against Zika virus developed at the University of Pittsburgh School of Medicine have successfully conveyed immunity from female mice to pups conceived weeks after the mother's...

Zika virus lingers in nonhuman primates

Tue, 04 Oct 2016 05:00:00 PDT

After infection of monkeys, Zika virus is rapidly cleared from the blood but persists in semen and saliva for at least one month, reports a paper published online in Nature Medicine this week.

Follow-up of 11 infants with Zika virus identifies neurological impairments

Tue, 04 Oct 2016 00:00:00 PDT

A report on 11 infants in Brazil suggests the term "congenital Zika syndrome" be used to describe such cases because microcephaly (small head circumference) was only one of the clinical signs of...

Zika: Could virus spread via contact with sweat, tears?

Mon, 03 Oct 2016 07:00:00 PDT

Doctors discuss a rare case of a patient who died from Zika virus and the possibility of transmission to a second patient via contact with sweat and tears.

The structure of the BinAB toxin revealed: one small step for Man, a major problem for mosquitoes!

Sat, 01 Oct 2016 00:00:00 PDT

Could we get rid of mosquitoes without polluting the environment? Yes, we can!

Zika infects neural cells related to skull formation, affecting their function

Fri, 30 Sep 2016 00:00:00 PDT

Cranial neural crest cells - which give rise to the bones and cartilage of the skull - are vulnerable to Zika virus, report Stanford University School of Medicine researchers in Cell Host & Microbe.

New field test allows rapid diagnosis of Chikungunya virus infection

Thu, 29 Sep 2016 11:00:00 PDT

Like its relatives Dengue and Zika, Chikungunya virus (CHIKV) is transmitted by Aedes mosquitoes, and both mosquitoes and viruses are extending their range.

Virginia Tech research team's discovery aims to reduce deaths caused by African sleeping sickness

Thu, 29 Sep 2016 00:00:00 PDT

A Virginia Tech research team has discovered an innovative way to inhibit the parasite that causes African sleeping sickness.

Hookworm Infection: Causes, Symptoms, and Treatment

Sat, 24 Sep 2016 00:00:00 PDT

Hookworm is an intestinal parasite that is the cause of millions of infections worldwide. Learn about the symptoms and treatment of these infections here.

Eliminating sleeping sickness: New research estimates frequency of screening needed to eradicate

Thu, 22 Sep 2016 11:00:00 PDT

Novel mathematical models estimate the screening efforts required to eliminate and eradicate sleeping sickness.

High blood pressure drugs have potential to counter leading cause of death in malaria patients

Thu, 22 Sep 2016 00:00:00 PDT

Adding a popular high blood pressure drug to standard malaria treatment more than tripled the survival rate of infected mice.

Research provides clues to how Zika virus breaches the placental barrier

Mon, 19 Sep 2016 00:00:00 PDT

New research reveals that in pregnant women, Zika virus infection damages certain cells that affect placental formation and function.

Zika does cause microcephaly, but questions remain

Fri, 16 Sep 2016 07:00:00 PDT

The preliminary findings of a case control study conclude the microcephaly epidemic is a result of congenital Zika virus infection, but questions remain.

Zika virus can be detected in eye's conjunctival fluid

Fri, 16 Sep 2016 07:00:00 PDT

In a study published online by JAMA Ophthalmology, Changwen Ke, Ph.D., of the Guangdong Provincial Center for Disease Control and Prevention, Guangzhou, China and colleagues examined whether Zika...

A protein in mosquito spit can keep Dengue virus in check

Fri, 16 Sep 2016 00:00:00 PDT

Mosquito saliva influences transmission of viruses to a bitten mammalian host. For example, it contains factors that dampen the host immune response and so facilitate infection.

Surveillance unlikely to detect European changes in birth defect linked to Zika virus

Thu, 15 Sep 2016 00:00:00 PDT

A study published by The BMJ finds that surveillance systems in Europe could detect increases in microcephaly (babies born with an abnormally small head) due to the Zika virus of a similar...

Adverse outcomes not improved in novel screen-and-treat program for malaria in pregnancy

Wed, 14 Sep 2016 02:00:00 PDT

A novel strategy to screen pregnant women for malaria with rapid diagnostic tests and treat the test-positive women with effective antimalarials does not lower the risk of adverse pregnancy...

A chromosome anomaly may cause malaria-transmitting mosquito to prefer feeding on cattle

Tue, 13 Sep 2016 00:00:00 PDT

Engineering mosquitos to carry genes related to feeding behavior located within this anomaly maybe one strategy to reduce malaria's spread.

Human hookworm infection exerts high health and economic burden

Fri, 09 Sep 2016 05:00:00 PDT

Hookworm affects approximately 500 million people worldwide, yet its global economic and health impact is not well understood.