Avian Influenza Type A | Bird Flu | CDC - Centers for Disease ...
2024年12月20日 · The most frequently identified subtypes of avian influenza A viruses that have caused human infections are H5, H7 and H9 viruses. Specifically, A(H5N1) and A(H7N9) viruses have caused the majority of avian influenza A virus infections reported in people, with HPAI A(H5N6) and LPAI A(H9N2) viruses also causing human infections in recent years.
H5N1 bird flu: Questions patients may have and how to answer
2024年6月6日 · Standard, contact and airborne precautions are recommended for patients presenting for medical care or evaluation who have illness consistent with influenza and recent exposure to birds or other animals potentially infected with HPAI A(H5N1) virus.
Risk assessment of a highly pathogenic H5N1 influenza virus ...
2024年5月15日 · To assess this threat, using the ferret model, we show an H5N1 isolate derived from mink transmits by direct contact to 75% of exposed ferrets and, in airborne transmission studies, the virus...
Fouchier study reveals changes enabling airborne spread of H5N1
In the lengthy report, Ron Fouchier, PhD, of Erasmus Medical Center in the Netherlands and colleagues describe how they used a combination of genetic engineering and serial infection of ferrets to create a mutant H5N1 virus that can spread among ferrets without direct contact.
Influenza A(H5N1) shedding in air corresponds to ... - Nature
2024年12月2日 · To assess the public health risk of emerging A (H5N1) influenza viruses, studies commonly use ferret transmission set-ups that only allow transmission via the air from donor to recipient animals.
Airborne Transmission of Influenza A/H5N1 Virus Between ...
2012年6月22日 · 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.
Study of H5N1 from an infected person | National Institutes ...
2024年11月5日 · An H5N1 flu virus from an infected farm worker could transmit through airborne droplets and was lethal in mice and ferrets. The findings emphasize the risks from the current H5N1 outbreak and the need for continued monitoring and testing.