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☆ One in Five Milk Samples Nationwide Shows Genetic Traces of Bird Flu
▼ + stars: | 2024-04-25 | by ( Emily Anthes | Noah Weiland | ) www.nytimes.com time to read: +1 min

Federal regulators have discovered fragments of bird flu virus in roughly 20 percent of retail milk samples tested in a nationally representative study, the Food and Drug Administration said in an online update on Thursday. Samples from parts of the country that are known to have dairy herds infected with the virus were more likely to test positive, the agency said. Regulators said that there is no evidence that this milk poses a danger to consumers or that live virus is present in the milk on store shelves, an assessment public health experts have agreed with. But finding traces of the virus in such a high share of samples from around the country is the strongest signal yet that the bird flu outbreak in dairy cows is more extensive than the official tally of 33 infected herds across eight states. “It suggests that there is a whole lot of this virus out there,” said Richard Webby, a virologist and influenza expert at St. Jude Children’s Research Hospital.

Persons: ”, Richard Webby, Jude Children’s Organizations: Food and Drug Administration, Regulators, St, Jude Children’s Research

☆ WHO chief scientist calls for increased monitoring and preparation for highly pathogenic bird flu
▼ + stars: | 2024-04-19 | by ( Brenda Goodman | ) edition.cnn.com time to read: +4 min

CNN —The bird flu spreading through cattle in the United States is an “enormous concern” the chief scientist of the World Health Organization said Thursday as he called for more tracking and preparation for the virus. So far, there is no evidence that the highly pathogenic H5N1 flu virus can spread from person to person. Though H5N1 doesn’t spread from person to person, humans can catch it when they’re exposed to infected animals. They are only the second documented case of human H5N1 in the United States. The US Centers for Disease Control and Prevention says that while the current risk to public health from H5N1 is low, it is monitoring the situation carefully.

Persons: Dr, Jeremy Farrar, “, Richard Webby, ”, hasn’t, Sanjay Gupta Organizations: CNN, World Health Organization, WHO, Research, Get CNN, CNN Health, US Department of Agriculture’s, Plant Health, Services, US Centers for Disease Control, CDC Locations: United States, British, Geneva, Texas, Colorado, St, — Texas, New Mexico , Kansas, South Dakota , Idaho , Michigan , Ohio, North Carolina

☆ Bird flu situation 'worrying'; WHO working with Cambodia
▼ + stars: | 2023-02-24 | by ( Jennifer Rigby | ) www.reuters.com time to read: +3 min

LONDON, Feb 24 (Reuters) - The World Health Organization is working with Cambodian authorities after two confirmed human cases of H5N1 bird flu were found among one family in the country. The U.N. health agency last assessed the risk to humans from avian flu as low earlier this month. "The global H5N1 situation is worrying given the wide spread of the virus in birds around the world and the increasing reports of cases in mammals including humans," Briand said. WHO-affiliated labs already hold two flu virus strains that are closely related to the circulating H5N1 virus that manufacturers can use to develop new shots if needed. A global meeting of flu experts this week suggested developing another strain that more closely matches H5N1 clade 2.3.4.4b, Webby said in the briefing.

☆ Analysis: Why public health officials are not panicked about bird flu
▼ + stars: | 2023-02-23 | by ( Julie Steenhuysen | ) www.reuters.com time to read: +5 min

They say the attributes that have made this virus thrive in wild birds likely make it less infectious to people. Although the exact changes required for a bird flu virus to become easily transmissible in people are not known, a pair of landmark studies done a decade ago offer some clues. Mink have both avian and human-type receptors, but avian receptors are scarce in humans and located deep in the lungs. That change is a must if a bird flu virus is to spread easily in people. None of the experts discounted the possibility that H5N1 or another avian flu virus could mutate and spark a pandemic, and many believe the world has not seen its last flu pandemic.

☆ Just How Bad Is the ‘Tripledemic’?
▼ + stars: | 2022-12-16 | by ( Amy Schoenfeld Walker | ) www.nytimes.com time to read: +6 min

R.S.V., or respiratory syncytial virus, has made so many young children ill this fall that weekly pediatric hospitalizations for R.S.V. Public health officials have been warning for weeks that a “tripledemic” of Covid-19, flu and R.S.V. Weekly hospitalizations for Covid-19, R.S.V. With flu surging and Covid-19 circulating, respiratory illness has overwhelmed pediatric units across the country, shifting the strain to emergency rooms and children’s hospitals. The predominant type of flu circulating right now, a subtype of influenza A known as H3, also tends to result in higher flu hospitalizations among the elderly, according to the C.D.C.

☆ Două tulpini de virusuri gripale ar fi dispărut. Acestea nu au mai fost semnalate de un an nicăieri în lume
▼ + stars: | 2021-06-08 | by ( Publika.Md - Aici Sunt Știrile | ) www.publika.md time to read: +2 min

În timpul pandemiei COVID-19 a existat o transmisibilitate atât de redusă a gripei, încât unele tipuri de virusuri gripale s-ar putea să fi dispărut. Interesant este că două tipuri de virusuri gripale nu au mai apărut nicăieri în lume de un an, nefiind raportate cazuri de îmbolnăvire din cauza acestora, scrie Live Science. Două familii de virusuri gripale cauzează gripa sezonieră: gripa A și gripa B. Virusurile gripale A sunt împărțite în „subtipuri” bazate pe două proteine de pe suprafața lor cunoscute sub numele de hemagglutinină (H) și neuraminidază (N), potrivit Centrului pentru Controlul Bolilor. Virusurile gripale B, pe de altă parte, nu au subtipuri, dar sunt împărțite în două ramuri cunoscute sub numele de B - Yamagata și B - Victoria. Cât de mult va fi schimbată și cât de mult timp va rămâne așa, acestea sunt întrebările principale.

Persons: Victoria, Trevor Bedford, Florian Krammer, Richard Webby Organizations: Medicină, Organizației Mondiale a Sănătății ( OMS Locations: Yamagata, Seattle, New York

☆ Două tulpini de virusuri gripale ar fi dispărut; Ele nu au mai fost semnalate de un an de zile nicăieri în lume
▼ + stars: | 2021-06-08 | by ( ) www.jurnal.md time to read: +2 min

Sursa foto: Jurnal.mdDouă tulpini de virusuri gripale ar fi dispărut; Ele nu au mai fost semnalate de un an de zile nicăieri în lumeÎn timpul pandemiei COVID-19 a existat o transmisibilitate atât de redusă a gripei, încât unele tipuri de virusuri gripale s-ar putea să fi dispărut. Două tipuri de virusuri gripale nu au mai apărut nicăieri în lume de un an, nefiind raportate cazuri de îmbolnăvire din cauza acestora, scrie Live Science. Două familii de virusuri gripale cauzează gripa sezonieră: gripa A și gripa B. Virusurile gripale A sunt împărțite în „subtipuri” bazate pe două proteine de pe suprafața lor cunoscute sub numele de hemagglutinină (H) și neuraminidază (N), potrivit Centrului pentru Controlul Bolilor. Virusurile gripale B, pe de altă parte, nu au subtipuri, dar sunt împărțite în două ramuri cunoscute sub numele de B - Yamagata și B - Victoria. Cât de mult va fi schimbată și cât de mult timp va rămâne așa, acestea sunt întrebările principale.

Persons: Victoria, Richard Webby Organizations: Organizației Mondiale a Sănătății ( OMS Locations: Yamagata

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