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Baculovirus virion thoroughly removes liver-stage parasites in mouse model

At the moment, few antimalarial treatments exist that effectively eliminate liver-stage malaria parasites, which can lay inactive for several months or years as in the case of Plasmodium vivax. Researchers from Kanazawa University have successfully shown that administration of a baculovirus virion (BV) completely gets rid of liver-stage parasites in a mouse model via BV-induced fast-acting innate immunity. Further development of BV-based drugs could result in newer and more effective treatments for malaria. Malaria is caused by Plasmodium, a parasite spread by the Anopheles mosquito as it feasts on blood. The parasite is released into the bloodstream and travels to the liver to mature, before being released back into the bloodstream wherein it infects red blood cells. Symptoms typically appear a few days or weeks later...

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Why medicines alone won’t prevent the spreading of parasitic worms in Africa

[vc_row][vc_column][vc_column_text]Deworming has turned into a common practise throughout the world. It has proved really successful minimizing the burden of parasitic worms among children by more than 50%. The success of the last 17 years has been driven by deworming efforts where school-going youngsters get deworming tablets once to twice a year-- and could have been greater if there was a vaccine. But parasitic worms-- found mainly in tropical and subtropical places primarily in sub-Saharan Africa, the Americas, China and East Asia-- continue to be a challenge. The World Health Organisation's latest numbers show that around the world, there are close to 1.5 billion individuals-- about one fifth of the world's population-- infected with parasitic worms. The persistence of parasitic worms shows that deworming is not enough to interrupt...

The remarkable world of parasites

Parasites are horrible to view, but remarkable to watch particularly when they are close-up under the microscopic lense. They also have the most splendid Latin names-- Ctenocephalides (fleas), Knemidocoptes (budgie mite), Fasciola hepatica (liver fluke) and my favourite Anaplocephela perfoliata (horse tapeworm). But the species we want to discuss in this particular article are the tapeworms of the dog and cat (Dipylidium caninum and Taenia taeniaformis being examples). What we see is a tapeworm segment about a centimetre long, crawling in the fur around the back end of your cat. If we could look at it under the microscopic lense, it would expose the tiny but scary world of the tapeworm. Tapeworms do not have a direct infection course. In other words, they do not pass from one dog...

Five strategies for managing parasites in your herd

Utilizing the right dose of the right product at the correct time are three of those five key practices Resistance is something we currently hear a lot about in agriculture, including the issue of parasite resistance in beef cattle. This raises questions about parasite management choices. How can livestock operators efficiently manage internal parasites in their herds? What can they do to reduce the risk of parasite resistance ? Parasites are a normal part of the gut flora of pastured cattle. Kept unmanaged, however, internal parasites can cause insidious production losses including a reduction in weights. Grazing management, proper biosecurity protocols, keeping track of parasite loads, and strategic deworming are all tools producers can use to manage for parasites, Dr. John Gilleard, of the University of Calgary's faculty of...

Ways to keep your dog protected from health issues and parasites this spring season

Warmer weather means more people will walk their pet dogs and head to parks and dog playgrounds. That means dog owners may have to think about revising their dogs vaccinations. " If you're heading to the pet park, the big thing to think about is contagious diseases," stated Kara Amstutz with the Hometown Veterinary Clinic in Springfield, Missouri. Amstutz recommends dog owners receive vaccinations for rabies, distemper, parvo, bordetella, leptospirosis and canine flu because it's so infectious. Leptospirosis is a bacterial infection dogs can get through urine. " If wildlife is in an area and the dog goes to sniff the grass or consume the grass they can actually ingest that bacteria," explained Amstutz. "The issue with this specific bacteria is it's actually transmittable to men and women...

A potential drug target against a large family of parasites is identified

Apicomplexa form one of the largest and most diverse groups of obligate intracellular parasites, able of infecting almost every kind of animal. It is estimated that between 1.2 and 10 million species exist, but only about 5,000-6,000 have been found to date. These include Plasmodium (that causes malaria and about 440,000 deaths every year), Toxoplasma (that causes congenital disease and opportunistic infections in immunocompromised people), Babesia (that infects cattle), etc. In spite of the world-wide economic and health impact of these parasites, much of their biology is still not known. For example, their surface is covered by glycoconjugates that are essential for their survival and infectivity, but little is understood of the processes that lead to the synthesis of such molecules. In particular, one of...

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Why ‘normal’ salmon don’t get as many parasites

Latest research shows the ability of salmon to prevent infection as a result of their first line of defense— their behavior. In the fast growing fish-farming industry, outbreaks of parasites cant easily cause production inefficiencies, and these can cause negative consequences for wild populations in cases where the diseases spread. “Parasite outbreaks in wild fish have been induced by farmed fish in major farming systems, such as sea lice infestations on wild salmon in Europe and North America,” Tim Dempster mentions, from School of BioSciences at the University of Melbourne. “Parasite treatments are also stressful and contribute to the poor welfare of the animals. They include chemical bathing, freshwater bathing, medicated feed, or other treatments applied directly to the parasite or host.” “We tested whether the world’s most widely...

Bacteria and Parasites in Pools

Each summer, thousands of people visit their neighborhood swimming pools and water parks seeking relief from the South’s heat and humidity. What most don’t take into consideration is that they might be risking their health. Parasites and bacteria that live in the water can potentially make people sick. Obviously, majority of us swim without any issues, as a result of the the work of pool operators who maintain germ-killing chemicals at the optimal levels. Only in South Carolina, there are about 6,000 public pools, as per Robert Yanity, spokesman for the state Department of Health and Environmental Control. DHEC actually issues yearly operating permits for the pools and also performs surprise inspections throughout the summer period. DHEC however, does not maintain a public online database of swimming pool regulation violators....

CDC notes rise in pool-related Crypto reports

With the onset of warmer weather, the US Centers for Disease Control and Prevention (CDC) said today that reports of Cryptosporidium outbreaks linked to pools and waterparks are increasing. There were twice as many outbreaks reported to CDC in 2016 compared with 2014, researchers from the CDC and from health department in Alabama, Arizona, and Ohio reported today in the latest issue of Morbidity and Mortality Weekly Report (MMWR). Unique risks, unclear reasons Crypto parasites, the most common cause of diarrhea and outbreaks linked to swimming pools or waterparks, aren't easily killed by chlorine. Ingestion of pool water contaminated with feces from a symptomatic person can sicken healthy people with diarrhea, stomach cramps, nausea, or vomiting for as long as 3 weeks, according to the CDC. In 2016, at...

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Nаturаllу Clеаnѕе Your Sуѕtеm оf Parasites

A way tо mеаѕurе whether уоu are a hеаlthу реrѕоn iѕ bу hаving a healthy соlоn. It iѕ through thе intestine that we аbѕоrb nutrients from thе fооd wе еаt.  Prореr absorption of vitаminѕ and minеrаlѕ leads an оvеrаll hеаlthу bоdу. Yоur ѕtоmасh iѕ аblе to digest рrореrlу, уоu will gain an outer glоw bесаuѕе оf healthier аnd clearer ѕkin, and уоu will bе free frоm other digestive problems likе blоаting аnd diarrhea. A healthy bоdу translates to a more еnеrgеtiс one аnd in thе process, bесаuѕе оf аn асtivе lifеѕtуlе, you will be able tо mаintаin уоur idеаl wеight. Doesn't thаt ѕоund grеаt? How amazing it would be if we all benefit frоm hаving a hеаlthу соlоn, frее frоm diѕеаѕеѕ thаt are brоught uроn bу...