Sentences with phrase «outbreak strain of»

The investigation did not identify a common breeder where puppies infected with the outbreak strain of Campylobacter originated.
In addition to the cases in the U.S., the Public Health Agency of Canada says seven people in five provinces were infected with the same outbreak strain of listeria.
Samples from these papayas yielded outbreak strains of Salmonella Kiambu and Salmonella Thompson.

Not exact matches

The experts aren't shocked by this — particularly bad outbreaks of flu are often trailed by another strain of the illness known as «influenza B» — but it's a bummer for the rest of us who were hoping we were finally out of the woods when it came to flu misery.
He described the process of tracking the outbreak to Jindi as «an important piece of investigative work» that involved obtaining detailed food histories from victims, multi-jurisdictional intelligence from the federal government's food - borne diseases surveillance unit, OzFoodNet, and bacterial DNA «fingerprinting» to determine the exact strain of listeria.
Not to get too off topic but depending on the strain most people have it and just never know, and even the «genital» strain (which is a misnomer because you can get either type anywhere), a lot of men who have it never get outbreaks so they genuinely don't know.
The outbreak of bird flu in Suffolk is the virulent H5N1 strain of the virus, the government has said.
The World Bank has granted Mexico an emergency facility of # 140 million to fight the outbreak, while the World Health Organisation has denoted the flu strain as a «public health emergency of international concern».
The risk to the public from the outbreak of the deadly H5N1 strain of avian bird flu in Suffolk is «negligible», environment secretary David Miliband has insisted.
Health officials said the type of meningitis C strain responsible for the latest outbreak was not common in Nigeria and there was a «limited stock» of vaccine worldwide.
Fiers investigated the nucleotide sequence of the hemagglutinin gene of this duck virus and found that it was indeed very closely related to the strain that started the 1968 Hong Kong outbreak.
As part of the study, EcoHealth Alliance's modeling team mapped the geographic distribution of all known bat hosts for these viruses, and found that Guinea and Liberia lie within the expected range of Zaire Ebola — the strain responsible for the current outbreak.
Americans were particularly fortunate that the other predominate strain of chikungunya — one that derives from Africa and has fueled significant outbreaks in Asian countries for the past decade — was not seen in this hemisphere.
In the meantime, Canada saw an outbreak of another deadly bird flu strain — H7N3 — in September.
Despite the presumed virulence of the strain — experiments with mouse lungs showed it produces 1000 times more bacteria in infected cells than do standard varieties — Valway says the number of TB cases that developed were kept in line with other typical outbreaks, which «shows that doing good contact investigations is important and preventative therapy works.»
The emergence of the new H1N1 flu strain has demonstrated the effectiveness of existing systems to watch for human flu outbreaks while also proving a long - standing theory that pigs could serve as mixing vessels for a pandemic virus.
«It was not known whether any of these vaccines could provide protection against the new outbreak West African Makona strain of Ebola Zaire currently circulating in Guinea,» said John Eldridge, Chief Scientific Officer - Vaccines at Profectus Biosciences, Inc. «Our findings show that our candidate vaccines provided complete, single dose protection from a lethal amount of the Makona strain of Ebola virus.»
Scientists at the Food and Drug Administration traced the toxic strain of E. coli to the California ranch after testing bacteria - tainted spinach leaves and matching them to fecal samples from a wild boar that had been killed on the farm — the first time an outbreak of E. coli poisoning from produce had been tracked directly to its source.
Collins and his colleagues exposed one culture of Escherichia coli — some strains of which colonize the human and animal gut; others of which are notorious for causing disease outbreaks — to increasing amounts of an antibiotic over time.
Researchers studied the structure of proteins from one strain of the H7N9 virus that caused the outbreak and tested how strongly one of the proteins bound to molecules on the surfaces of bird and human cells.
H7N9 is a strain of flu virus that normally infects birds but has spread to at least 779 humans in a number of outbreaks related to poultry markets.
The US Centers for Disease Control and Prevention (CDC) in Atlanta, Georgia, introduced a rapid - surveillance platform called PulseNet following an outbreak of a different EHEC strain, called O157: H7, in 1993.
Based on the location of recent outbreaks, Colin Wellings of the University of Sydney in New South Wales, Australia, says some of the world's major wheat producers are at risk from the new strain.
The new study examined the effects of three types of influenza A — H1N1, the strain behind 2009's swine flu outbreak; H7N7, a dangerous strain that only rarely infects people; and H3N2, the strain behind much of the 2017 — 2018 flu season misery (SN: 2/17/18, p. 12).
National Institutes of Health (NIH) scientists report that a single dose of an experimental Ebola virus (EBOV) vaccine completely protects cynomolgus macaques against the current EBOV outbreak strain, EBOV - Makona, when given at least seven days before exposure, and partially protects them if given three days prior.
The human outbreaks consisted of multiple simultaneous epidemics caused by different viral strains, and each epidemic resulted from the handling of a distinct gorilla, chimpanzee, or duiker carcass.
For the new study, researchers in Diamond's laboratory, led by first author Helen Lazear, PhD, now at the University of North Carolina at Chapel Hill, tested five strains of the Zika virus in the mice: the original strain acquired from Uganda in 1947; three strains that circulated in Senegal in the 1980s; and the French Polynesian strain, which caused infections in 2013 and is nearly identical to the strain causing the current outbreak.
By studying strains from different past E. coli outbreaks with his techniques, Eppinger is able to measure the amount of toxin produced in each strain, which is a direct mediator of disease and shows how severe the resulting illness could be.
This allowed the researchers to uncover that different strains of Vibrio cholerae can be assigned different risks for causing large outbreaks.
Eppinger, a member of the UTSA South Texas Center for Emerging Infectious Diseases, calls the method he developed at UTSA a form of whole genome sequence typing of outbreak strains.
CDC publishes MMWR dispatch about six new U.S. cases with increasing evidence of human - to - human transmission and publicly links same strain of H1N1 to the Mexican outbreak.
Recovered carcasses were infected by a variety of Ebola strains, suggesting that Ebola outbreaks in great apes result from multiple virus introductions from the natural host.
«Swine flu outbreak in India raises concern: New strain of H1N1 may carry dangerous mutations.»
In the case of influenza viruses, this strategy can fall short: Influenza antibodies are specific to one strain, which may not be among the strains causing illness during an outbreak.
Sasisekharan points out that more surveillance is needed to determine whether these mutations are present in the strain that is causing the current outbreak, which is most prevalent in the Indian states of Gujarat and Rajasthan and has infected more than 20,000 people so far.
Since December, an outbreak of swine flu in India has killed more than 1,200 people, and a new MIT study suggests that the strain has acquired mutations that make it more dangerous than previously circulating strains of H1N1 influenza.
To test the hypothesis, his team turned to a rogues» gallery of organisms: «We [had] a collection of all the outbreak strains we've collected over the years,» he says.
In the past two years, genetic sequence information of the flu - virus protein hemagglutinin from only two influenza strains from India has been deposited into publicly available influenza databases, making it difficult to determine exactly which strain is causing the new outbreak, and how it differs from previous strains.
Investigators cultured the outbreak - causing strain of bacterium and found it lacked a gene called Rv1519 present in a reference strain.
At first blush the loss of the gene seems to make the outbreak strain less hardy, they found; it grew relatively slowly in a nutrient broth and was less tolerant to acidity and hydrogen peroxide than the reference bacterium.
Although the virus belongs to the same species, Ebola - Zaire, the strain is genetically so different that it «is definitely not a dissemination of the outbreak in West Africa,» says virologist Eric Leroy of the International Centre for Medical Research of Franceville, the World Health Organization (WHO) collaborating center in Gabon that is characterizing the DRC virus.
It is even more closely related — by just three mutations — to the strain that caused an outbreak in the DRC city of Kikwit in 1995.
Since 1991, the number of outbreaks of a strain called N. meningitidis subgroup C — the most common cause of outbreaks — has doubled, raising alarm among public health officials.
Epidemiological and DNA studies have shown that the outbreak was caused by the «El Tor» strain of Vibrio cholerae bacteria probably carried by Nepalese peacekeepers.
By that time, more than 1,300 people had suffered diarrhea and fever from the rare strain of the bacterium, making the outbreak the nation's largest food - borne epidemic linked to produce in a decade.
«If the data are verified, the model could be valuable in many circumstances, such as rural settings or developing countries with less convenient access to health care, or even as an airport screening tool during an outbreak of a particularly threatening strain of flu.»
The H1N1 strain caused the swine flu outbreak of 2009.
The vaccine could stop the short - term, sporadic outbreaks that still occur in endemic regions of the world — naturally antibiotic - resistant strains have twice appeared in Madagascar in recent years.
An outbreak in South Africa of an extremely drug - resistant strain of the tuberculosis bacterium is raising international alarm.
39 TB Makes a Scary Comeback An outbreak of an extremely drug - resistant strain of TB is raising international alarm...
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