Viral Epidemics Current Events | Viral Epidemics News
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New vaccination research
A team of ecologists has shown that mass vaccination programmes can sometimes produce unexpected results - which could lead to new thinking on how such programmes are carried out. view more (1999-10-29)
Ebola virus a threat to great ape populations
The Ebola virus, identified for the first time in 1976 in the Democratic Republic of Congo (ex-Zaire), has unleashed several lethal epidemics in Central Africa. For several years, many outbreaks have been occurring simultaneously in the Republic of Congo and Gabon, making the control of Ebola virus infection a major public health priority for... view more... (2004-01-15)
DENGUE FEVER IN THAILAND: HOW TO SPOT EPIDEMICOUTBREAKS AGAINST THE ENDEMIC BACKGROUND
Dengue is a viral disease which is prevalent in a hundred or so tropical countries. Up to 50 million cases have been recorded each year in the world according to WHO. It is in fact induced by four viruses (Dengue serotypes 1, 2, 3 and 4) belonging to the flavivirus family. The mosquito Aedes aegypti is the vector. Two forms of dengue exist. The... view more... (1999-09-13)
Marine pathogens spread much faster than their terrestrial counterparts
It has become increasingly clear that pathogen epidemics are as significant a component of marine systems as they are in terrestrial systems. At an National Center for Ecological Analysis and Synthesis (NCEAS) working group on Diseases in the Ocean, McCallum, Harvell and Dobson collated data on epidemic spread from both terrestrial and marine... view more... (2003-11-24)
Study finds key distinction between outbreaks that die out and epidemics
In an important study forthcoming in the March 2006 issue of the American Naturalist, biologists from Yale University, University of Florida, and Dartmouth University explore the dynamics of pathogen survival and shed new light on a longstanding mystery: why some infectious diseases are limited to small outbreaks and others become full-blown... view more... (2006-02-22)
Study uncovers cause of flu epidemics
The exchange of genetic material between two closely related strains of the influenza A virus may have caused the 1947 and 1951 human flu epidemics, according to biologists. view more (2008-03-05)
Asthma epidemics linked to airflow patterns in thunderstorms
It's the airflow patterns in thunderstorms, rather than the electrical activity, thunder, or rain, which trigger asthma epidemics, concludes research in Thorax. The hospital admission rates for asthma and airflow patterns during thunderstorms up to 80 km away were studied for six towns in south eastern Australia between 1995 and 1998. Hourly... view more... (2001-05-16)
EU research fights killer viruses' stubborn resistance to drugs
Viruses' growing resistance to drugs means diseases such as hepatitis B and C are increasingly difficult to treat. New pandemics may arise with unforeseeable consequences. The EU is therefore contributing EUR9 million to the "Vigilance against Viral Resistance" (VIRGIL) project, to be launched today in Lyon (France). It will start by... view more... (2004-06-29)
Need for booster vaccinations in anti-measles immunization campaigns in Africa
In spite of extensive vaccination programmes, measles epidemics continue to flare up in West Africa where they affect a growing proportion of vaccinated children. An epidemiological survey conducted in a rural area of Senegal by a joint team of researchers from IRD (French Research Institute for Development, formerly ORSTOM), the Medical Research... view more... (1999-03-02)
Anti-HIV drugs unlikely to stop HIV spread
Researchers believe antiretroviral therapy (ART) will not be effective in stopping HIV epidemics even if it is made universally available in poorer countries, and that widespread use could even lead to an increase in the numbers infected with HIV. view more (2006-03-14)
New Model For Early Meningitis Detection Sub-Saharan Africa (pp 255, 287)
A meningitis incidence threshold of 10 cases per 100 000 inhabitants in just 1 week - lower than previously recommended by the WHO - can reliably be used to confirm an epidemic in time to implement vaccination programmes, conclude authors of a study in this week's issue of THE LANCET. Epidemics of meningitis in sub-Saharan Africa cause serious... view more... (2001-07-25)
Meningitis: effectiveness of preventive vaccination demonstrated
Meningitis epidemics caused by the pathogen Nesseiria meningitis (or meningococcus) provoke high mortality in children and young people under 20 years of age in sub-Saharan Africa. view more (2007-06-06)
US syphilis epidemics not driven by increases in unsafe sex, say researchers
A UK-based team of researchers has found that regular epidemics of syphilis in the USA are due to the intrinsic cyclical nature of the disease. They show that changes in the immunity of the population cause periodic syphilis outbreaks, rather than changes in sexual behaviour, as was previously thought. view more (2005-01-24)
Yale study shows why cigarette smoke makes flu, other viral infections worse
A new study by researchers at Yale School of Medicine could explain why the cold and flu virus symptoms that are often mild and transient in non-smokers can seriously sicken smokers. Published in the Journal of Clinical Investigation, the study also identified the mechanism by which viruses and cigarette smoke interact to increase lung... view more... (2008-07-25)
Biologists Discover Why 10% Of Europeans Are Safe From HIV Infection
Biologists at the University of Liverpool have discovered how the plagues of the Middle Ages have made around 10% of Europeans resistant to HIV. view more (2005-03-09)
Bacteria research offers hope for new vaccine against meningococci
Each year 170,000 people around the world die of this type of meningitis, according to the World Health Organization, WHO. Bacterial meningitis, as the disease is called, can even spark epidemics: in Africa 250,000 people were affected in a matter of weeks in the late 1990s. view more (2007-02-21)
UGA study explains peaks and troughs of dengue epidemics
Scientists have long known that epidemics of dengue fever wax and wane over a period of several years, but they've never been quite sure why. view more (2006-07-31)
Genome circularization and RNA virus replication
As featured on the cover of the August 15th issue of G&D, an Argentinian research team, led by Dr. Andrea Gamarnik, report on their recent discovery of a novel mechanism of dengue virus replication. view more (2006-08-01)
Van Andel Institute Study Rules Out Transcriptional Coactivators as Useful Herpes Antiviral Drug Targets
Researchers at Van Andel Research Institute (VARI) have determined that the herpes simplex virus type 1 (HSV-1) does not require transcriptional coactivators for viral gene expression early in the infection process. The finding is significant in determining that, in contradiction to earlier models, chemical inhibitors of these cellular proteins... view more... (2009-03-26)
Immunologists find better way to boost the immune system
Immunologists have discovered how to manipulate the immune system to increase its power and protect the body from successive viral infections. view more (2008-01-23)
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