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Travel restrictions have varied efficacy at containing disease outbreaks

Travel restrictions have varied efficacy at containing disease outbreaks

Health
Feb. 20 (UPI) -- As many as 30 countries have instituted some form of travel restriction in response to the new coronavirus, COVID-19, World Health Organization officials said Thursday, in spite of limited scientific evidence indicating that they work in containing the spread of infectious diseases. According to Jaouad Mahjour, acting WHO Regional Director for the Eastern Mediterranean, the measures instituted in these countries have varied from the effective "lockdown" on Wuhan, China -- the city at the center of the outbreak -- imposed in January to the decision by the United States to deny entry to foreign nationals who have visited China in the 14 days prior to their arrival "The U.S. is doing anything possible to try and limit the number of COVID-19 infections coming into the countr...
Oak leaves contain ‘potential cure’ for citrus greening disease, researchers say

Oak leaves contain ‘potential cure’ for citrus greening disease, researchers say

Science
ORLANDO, Fla., Jan. 29 (UPI) -- Scientists in Florida have confirmed what some citrus growers suspected for years -- that oak trees could inhibit citrus greening disease, which has brought the once-thriving Florida industry to the brink of collapse. Oak leaves represent "the first potential organic cure" for the destructive tree sickness, said Lorenzo Rossi, a University of Florida biologist and co-author of a study published in the January issue of the journal Plant Physiology and Biochemistry. Research over the past year at a University of Florida greenhouse in Fort Pierce showed that citrus trees recovered from citrus greening when sprayed and drenched with treated water twice a week for two months. The water was treated by steeping chopped oak leaves in it overnight, allowing leaf co...
China coronavirus: Death toll rises as disease spreads

China coronavirus: Death toll rises as disease spreads

World
Media playback is unsupported on your device The death toll from a newly-discovered coronavirus in China has risen to 41 on the day of the Lunar New Year.Another 15 deaths in the Hubei province, where the outbreak began, were announced on Saturday.Health officials are struggling to contain the outbreak as millions of people travel for the Chinese new year, one of the most important events. Many festivities have been cancelled.There are now more than 1,200 confirmed cases in China.The virus has also spread to Europe, with three cases confirmed in France. The UK is investigating a number of suspected cases, with officials trying to trace around 2,000 people who have recently flown to the UK from Hubei province.Australia has also confirmed several cases in Me...
Languages affected differently by brain disease

Languages affected differently by brain disease

Health
There are differences in the way English and Italian speakers are affected by dementia-related language problems, a small study suggests.While English speakers had trouble pronouncing words, Italian speakers came out with shorter, simpler sentences.The findings could help ensure accurate diagnoses for people from different cultures, the researchers said.Diagnostic criteria are often based on English-speaking patients.In the University of California study of 20 English-speaking patients and 18 Italian-speaking patients, all had primary progressive aphasia - a neuro-degenerative disease which affects areas of the brain linked to language.It is a feature of Alzheimer's disease and other dementia disorders.Brain scans and tests showe...
Technique pioneered to tackle disease threatening half the world

Technique pioneered to tackle disease threatening half the world

Technology
Scientists are working on a pioneering programme aimed at tackling one of the world's most damaging diseases.Dengue fever is a viral infection that can look like severe flu, the symptoms of which include high fever, headache, joint pain and a rash. A 2013 study found that up to 528 million people are infected with dengue fever every year, up to 96 million of which required medical treatment. Image: An aedes aegypti mosquito. Pic: James Gathany/CDC And there is evidence the disease is spreading, with some experts predicting it could be present in western Europe, and even the UK, in the coming decades.At the Institute for Medical Research in the heart of Kuala Lumpur, a team of researchers led by Dr Nazni Wasi Ahmad has scientifically e...