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Mutation

All articles tagged with #mutation

DRC Ebola Outbreak May Be Mutating as Response Expands Door-to-Door
health20 days ago

DRC Ebola Outbreak May Be Mutating as Response Expands Door-to-Door

The Bundibugyo-strain Ebola outbreak in the Democratic Republic of the Congo has surpassed 4,000 confirmed cases and about 1,800 deaths. Africa CDC and WHO plan a scaled-up, door-to-door response, shifting from routine contact tracing to active case finding, with greater community engagement and use of antivirals and reconsideration of Ervebo vaccination. The outbreak spans multiple provinces, includes cross-border cases to Uganda, and health services are being disrupted as authorities intensify surveillance and response.

via The Guardian|
#africa-cdc#drc#ebola
Rare Gene Mutation Linked to Needing Just 4 Hours of Sleep
health1 year ago

Rare Gene Mutation Linked to Needing Just 4 Hours of Sleep

Recent research has identified a rare genetic mutation that allows some individuals, known as natural short sleepers, to function optimally on just four to six hours of sleep per night. These individuals possess mutations in genes such as DEC2, ADRB1, and NPSR1, which are linked to sleep regulation and efficiency. Unlike the general population, natural short sleepers do not suffer from the negative health effects typically associated with sleep deprivation. This discovery challenges traditional sleep models and suggests that sleep quality may be more important than quantity.

via ZME Science|
#genetics#health#mutation
Experts Alert to Rising Bird Flu Pandemic Threat Amid Mutations
health1 year ago

Experts Alert to Rising Bird Flu Pandemic Threat Amid Mutations

Health experts warn of a potential bird flu pandemic as the H5N1 virus shows signs of mutating, spreading among cows, and infecting humans in the US. While the risk to the public remains low, the virus is reportedly just one mutation away from more effective human transmission. Over 300 million poultry birds have been culled globally, and concerns grow as some human cases may go undetected. Despite the threat, antiviral treatments and vaccines are available, and US authorities are increasing testing efforts, including in the milk supply.

via ScienceAlert|
#bird-flu#h5n1#health
Bird Flu: One Mutation Away from Potential Human Transmission
health1 year ago

Bird Flu: One Mutation Away from Potential Human Transmission

A new study from the Scripps Research Institute highlights the potential for the H5N1 bird flu virus to mutate and become transmissible between humans, raising pandemic concerns. Researchers found that a single amino acid mutation, Q226L, could enable the virus to bind to human-type receptors, increasing the risk of human-to-human transmission. While this mutation alone may not be sufficient for widespread transmission, it underscores the importance of monitoring genetic changes in the virus to prevent a potential pandemic.

via ScienceAlert|
#bird-flu#h5n1#health
Key Mutation in H5N1 May Increase Human Transmission Risk
health1 year ago

Key Mutation in H5N1 May Increase Human Transmission Risk

A NIH-funded study published in Science reveals that a single mutation in the hemagglutinin protein of the H5N1 avian influenza virus could potentially enhance its ability to infect humans by allowing it to bind to human-type cell receptors. While current strains are not easily transmissible among humans, the findings highlight the importance of ongoing surveillance and monitoring for genetic changes in the virus to prevent potential outbreaks. The research underscores the need for continued public health preparedness and outbreak control efforts.

via National Institutes of Health|
#h5n1#health#influenza
Potential Human Transmission of Bird Flu Sparks Concern
health1 year ago

Potential Human Transmission of Bird Flu Sparks Concern

A recent study suggests that a single mutation in the H5N1 bird flu virus could enable it to spread between humans, potentially leading to a pandemic. This mutation would allow the virus to better attach to human airway cells, facilitating transmission through respiratory droplets. While H5N1 currently infects humans primarily through high concentrations from animals, the mutation could make human-to-human spread more likely. Researchers emphasize monitoring this mutation as H5N1 continues to circulate among animals and occasionally infects humans.

via Livescience.com|
#bird-flu#h5n1#health
H5N1 Bird Flu: One Mutation from Human Transmission
health1 year ago

H5N1 Bird Flu: One Mutation from Human Transmission

A study by Scripps Research reveals that a single mutation in the H5N1 bird flu virus could increase its ability to infect humans by altering its receptor binding preference. This mutation, found in viruses from cows in the U.S., raises concerns about the virus's zoonotic potential, especially after a similar mutation was observed in a Canadian teenager who contracted H5N1. While additional mutations are likely needed for efficient human transmission, the findings highlight the importance of monitoring and controlling the virus to prevent a potential pandemic.

via STAT|
#bird-flu#h5n1#health
Single Mutation Could Make Bird Flu a Human Threat, Study Warns
health1 year ago

Single Mutation Could Make Bird Flu a Human Threat, Study Warns

A study by the Scripps Research Institute reveals that a single mutation in the H5N1 bird flu virus could enable it to bind to human cell receptors, raising concerns about potential human transmission. Although this mutation has not been detected, the research highlights the need for vigilant surveillance and pandemic preparedness. The study underscores the complexity of viral mutations and the importance of understanding the factors that could lead to a more virulent strain capable of human-to-human transmission.

via The Washington Post|
#bird-flu#h5n1#health
H5N1 Bird Flu: One Mutation Away from Human Threat
health1 year ago

H5N1 Bird Flu: One Mutation Away from Human Threat

Researchers at the Scripps Research Institute have found that a single mutation in the H5N1 bird flu virus could enable it to infect humans, raising concerns about a potential pandemic. The study, published in Science, highlights that a change in the hemagglutinin protein could allow the virus to target human cells. This discovery challenges previous beliefs that multiple mutations were necessary for human transmission. Despite over 50 human infections, the virus has not yet adapted for widespread human transmission, suggesting additional mutations may be needed.

via Los Angeles Times|
#bird-flu#h5n1#health
Hawaii Confirms First Avian Flu Outbreak Amid Rising Concerns
health1 year ago

Hawaii Confirms First Avian Flu Outbreak Amid Rising Concerns

Hawaii has reported its first bird flu outbreak, with ducks and geese on Oahu testing positive for the H5N1 virus, likely brought by migratory birds. Over 70 birds have been culled, and residents are advised to avoid sick or dead birds. The outbreak coincides with a Canadian teenager contracting a mutated strain of bird flu, raising concerns about potential human transmission. Experts warn that each infection increases the risk of mutations that could facilitate human-to-human spread, potentially leading to a new pandemic.

via Daily Mail|
#bird-flu#h5n1#hawaii
Mutated Bird Flu Strain in Canada Raises Human Transmission Concerns
health1 year ago

Mutated Bird Flu Strain in Canada Raises Human Transmission Concerns

A teenager in British Columbia, Canada, has been hospitalized with a potentially mutated strain of the H5N1 bird flu virus, raising concerns about increased transmissibility to humans. Experts warn that the US is not adequately monitoring bird flu cases, which could lead to undetected mutations. The Canadian teen's case, detected through surveillance, has not spread to contacts, but the mutation highlights the need for vigilant monitoring to prevent further human infections.

via The Guardian|
#birdflu#canada#h5n1