Sentences with phrase «between influenza»

In temperate climates the strong interdependence between influenza infections and environmental temperatures can't be explained by the primary biotic transmission by saliva droplets from human to human at temperatures of 37.5 °C.

Association Between Influenza Infection and Vaccination During Pregnancy and Risk of Autism Spectrum Disorder.

These results are similar to our previous findings and 2 recent studies of no association between influenza infection during pregnancy and ASD risk.8, 10,11,13 Our previous 2 studies were limited by small sample sizes and possible recall bias, which were addressed in this study by using a larger sample size and electronic medical records.

To our knowledge, no study has investigated the association between influenza vaccination during pregnancy and ASD.

Influenza viruses are prevalent worldwide, and it is estimated that more than 200 000 people in the United States are hospitalized each year for respiratory and heart conditions, illnesses associated with seasonal influenza virus infections.14 Previous epidemiological studies on associations between influenza infection during pregnancy and ASD reported mixed results.

«We need to conduct further studies in order to investigate the relationships between influenza infections, vaccinations and the development of autoantibodies,» says Helena Elding Larsson.

Simhan, whose own research has suggested a link between influenza and early delivery, says that flu is a likely factor in newborn health, but not the only one.

There are several steps between an influenza strain's emergence from its natural animal host and a large - scale human outbreak.

Not exact matches

There was no association between pregnant mothers who received the influenza or tetanus toxoid, reduced diphtheria toxoid and acellular pertussis (Tdap) vaccines and the risk of infant death or hospitalization, researchers found.

Monroe County says that according to preliminary figures, between October of last year and January 13th of this year, there were 1,323 laboratory confirmed cases of influenza, with 378 people who had to be hospitalized.

In households where women between the ages of 15 and 40 were pregnant, volunteer participants were administered either influenza vaccine or placebo as part of a randomized, placebo - controlled Phase 4 clinical trial.

For influenza, this is typically between 1.5 - 3.

The view that that individual influenza genes have moved between species and across great geographic distances, complicates the issue of viral adaptation and evolution.

Now a more complex and daunting view is emerging that shows viruses» constant variability — and sometimes deadly innovation — happens as a result of these two factors, combined with influenza's tendency to swap genes among viruses and also to move between geographically separate populations through traveling or migrating hosts.

Scientists studying the 2009 A / H1N1 influenza pandemic have found that the inconsistent regional timing of pandemic waves in Mexico was the result of interactions between school breaks and regional variations in humidity.

A laboratory test showing airborne transmission of the H7N9 avian influenza virus between the animals has raised fears that the virus is poised to become a human pandemic.

The relationship between humidity and pandemic influenza transmission found in this study is consistent with the relationship observed for seasonal influenza.

Predicting cholera outbreaks in Dhaka Though the ENSO is hard to predict, there is some lag between a La Niña onset and an influenza pandemic, the former preceding the latter by three to six months.

The researchers found 38 studies published between June 2011 and April 2016 that measured the effectiveness of the inactivated pandemic influenza vaccines, covering a population of more than 7.6 m people.

A new version of the H7N9 avian influenza virus might be able to cause widespread infection and should be closely monitored, scientists say, although it currently doesn't spread easily between people.

A total of 145 patients has been diagnosed in recent weeks with a strain of the H3N2 animal influenza virus, but it likely has not yet evolved the ability to transmit efficiently between humans

Influenza vaccines saved 40,000 lives in the United States between 2005 and 2014, and research shows that the vaccines can reduce the risk of severe illness and death even if they fail to prevent influenza iInfluenza vaccines saved 40,000 lives in the United States between 2005 and 2014, and research shows that the vaccines can reduce the risk of severe illness and death even if they fail to prevent influenza iinfluenza infection.

Between 1990 and 1999, seasonal influenza caused an average of 36,000 deaths and 226,000 hospitalizations per year in the U.S. Adults over 65 years old are particularly vulnerable to influenza complications, accounting for most seasonal influenza - related hospitalizations and deaths.

The Black Plague killed one European in four during the 14th century; influenza took at least 20 million lives between 1918 and 1919; the AIDS epidemic has produced a similar death toll and is still going strong.

«They are making assumptions about the relationship between air travel and the spread of influenza,» he says.

The new study, published in Eurosurveillance, concludes that each infected person infects between 2.2 and 3.1 others, a «reproduction ratio» in keeping with those of other pandemic influenza viruses.

Reassortment, which was responsible for the 2009 pandemic virus, occurs when one or more of the eight genome segments are exchanged between two different influenza viruses.

With current techniques it is not easy to make comparative analysis of influenza viruses with single mutations in their genomes, and it is extremely difficult to identify factors that limit the reassortment process between two influenza genomes that have infected the same cell.

► Also on Thursday, Martin Enserink provided an update on virologist Ron Fouchier, who for the past 3 years «has battled the Dutch government over a fundamental question in the balance between academic freedom and biosecurity: Did he need a government license to publish his hotly debated gain - of - function (GOF) studies on the H5N1 influenza strain?»

Each year, influenza causes between 250,000 and half a million deaths around the world.

The study also gives a clearer picture of how much time elapses between a known time of infection, the start of viral shedding (a signal of contagiousness), the development of an immune response, and the onset and duration of influenza symptoms.

AMSTERDAM — For more than 3 years, virologist Ron Fouchier has battled the Dutch government over a fundamental question in the balance between academic freedom and biosecurity: Did he need a government license to publish his hotly debated gain - of - function (GOF) studies on the H5N1 influenza strain?

Researchers have shown that looking at movements of operators and vehicles between farms in the same way we look at contacts in social networks can help explain the spread of dangerous infectious diseases of livestock, such as foot - and - mouth disease and avian influenza.

This could be due to antigenic mismatch between the circulating influenza viruses and the vaccine strains recommended by the WHO.

The debate continues about two papers that resulted in H5N1 influenza strains that are more easily transmissible between mammals and may have the potential to trigger a pandemic.

At the request of the National Science Advisory Board for Biosecurity, Science and Nature have agreed to strike key details from papers in press describing how researchers made the deadly H5N1 avian influenza virus more transmissible between mammals.

The call for the moratorium and summit follows months of rising tension over two studies that describe how researchers made the deadly H5N1 avian influenza more transmissible between mammals — possibly providing a blueprint on how to set off a flu pandemic.

An H5N1 strain that transmits well between people could trigger an influenza pandemic with potentially millions of casualties, scientists fear.

The study made many headlines, in part because of the fear that the H5N1 avian influenza virus, which so far transmits poorly between humans, could undergo a similarly fateful transformation.

Influenza sickens between 5 % and 20 % of the U.S. population each year, killing more than 35,000.

Critics of such work argue that it is unnecessarily dangerous and risks accidentally releasing viruses with pandemic potential — such as an engineered H5N1 influenza virus that easily spreads between ferrets breathing the same air.

In recent weeks, he has collaborated in an effort to analyze travel patterns between China and the rest of the world, which may help predict how the novel H7N9 influenza virus might spread if it becomes pandemic.

This work reveals some noteworthy conclusions and provides an invaluable resource for unraveling the interactive mechanisms between the host and influenza viruses.

To uncover the interactive mechanisms between the host and influenza viruses, researchers sequenced the genome of a 10 - week - old female Beijing duck, and conducted transcriptomic studies on two virus - infected ducks.

The Brown University analysis found that between 2000 and 2009, the better matched the vaccine was for the influenza strain going around, the fewer nursing home residents died or were hospitalized.

Highly pathogenic avian influenza A / H5N1 virus can cause morbidity and mortality in humans but thus far has not acquired the ability to be transmitted by aerosol or respiratory droplet («airborne transmission») between humans.

Thus, avian A / H5N1 influenza viruses can acquire the capacity for airborne transmission between mammals without recombination in an intermediate host and therefore constitute a risk for human pandemic influenza.

He likens the virus to avian influenza, which humans can contract from birds but which is so poorly transmissible between people that it hasn't triggered an epidemic.

Even a limited sampling (31 whole - genome sequences) revealed extensive reassortment between the human - origin swine viruses and other swine and human influenza viruses over a 7 - year period.

In a comparison between the 781 participants who received the standard - dose trivalent inactivated vaccine and the 1885 who received the quadrivalent inactivated vaccine, the trivalent vaccine was not associated with significantly higher odds of influenza, either overall (odds ratio, 1.2; 95 % CI, 0.8 to 1.7) or according to age group (Figure 3).