What percentage of people died from the new strain of the influenza virus H7N9 in China in 2013?

A serological study conducted in Guangzhou from December 2013 to April 2014 estimated 3,200 times the number of laboratory-confirmed cases during the same period of time and, for the first time, estimated the infection fatality risk for H7N9 to be 0.036% in the 2013/2014 wave.

Is H7N9 a pandemic?

In fact, of the novel influenza A viruses that are of special concern to public health, Asian lineage H7N9 virus is rated by the Influenza Risk Assessment Tool as having the greatest potential to cause a pandemic, as well as potentially posing the greatest risk to severely impact public health if it were to achieve …

Is there a vaccine for H7N9?

Currently, there is no vaccine for H7N9 infection. Scientists have taken early steps to identify a strain of the virus that could be used to make a vaccine if it is needed. The seasonal flu vaccine will not protect against H7N9. Seasonal flu vaccines protect against seasonal influenza viruses.

What are the symptoms of H7N9?

The first sign of human infection with H7N9 is a high fever and a cough . The virus causes serious respiratory symptoms, including severe pneumonia….Symptoms

• fever.
• cough that produces sputum.
• breathing problems and wheezing.
• headache.
• myalgia, or muscle pain.
• general malaise.

Who is H7N9?

Avian influenza A(H7N9) is a virus that normally infects birds, causing them little to no illness. It is one subgroup among the larger group of H7 avian influenza viruses. Until recently, this virus had never been detected in birds, animals or humans.

Is H5N1 a pandemic?

The global spread of H5N1 influenza in birds is considered a significant pandemic threat. While other H5N1 influenza strains are known, they are significantly different on a genetic level from a recent, highly pathogenic, emergent strain of H5N1, which was able to achieve hitherto unprecedented global spread in 2008.

Can H5N1 infect humans?

It remains poorly adapted to humans. Transmission from birds to humans is infrequent and no sustained human-to-human transmission has been observed, however it can cause severe disease in humans. The A(H5N1) virus has only sporadically been detected in European poultry or wild birds.

Is there a vaccine for H5N1?

Influenza A (H5N1) vaccine is used for active immunization to prevent disease caused by the influenza A virus H5N1 subtype in patients over 6 months of age at increased risk of exposure. Influenza A (H5N1) vaccine is available under the following different brand names: Audenz.

Is there a vaccine for bird flu for humans?

Is There a Bird Flu Vaccine? Yes, but you can’t make an appointment to get it. The FDA approved the first vaccine to prevent human infection with one strain of the bird flu (H5N1) in 2007. But it’s not been made commercially available to the general public.

Is there a vaccine for H5N1 virus?

Should I worry about H5N1?

People in areas with confirmed outbreaks of H5N1 avian flu should take every precaution and seek urgent medical advice if they start to notice symptoms, especially if they handle poultry or birds on a regular basis. H5N1 bird flu can cause severe symptoms, and it has a high mortality rate.