What type of virus is H5N1?
H5N1 is a highly pathogenic avian (bird) flu virus that has caused serious outbreaks in domestic poultry in parts of Asia and the Middle East. Since its widespread re-emergence in 2003, rare, sporadic human infections with this virus have been reported in Asia, and later in Africa, Europe, and the Middle East.
How many have died from H5N1?
To date, the number of H5N1 WHO-confirmed human cases amounts to 628 with 374 deaths from 15 countries. Human infections tend to occur during December–March and are associated with bird migratory paths and seasonal outbreaks in poultry.
What does H7N9 stand for?
Human infections with an Asian lineage avian influenza A(H7N9) virus (“Asian H7N9”) were first reported in China in March 2013. Annual epidemics of sporadic human infections with Asian H7N9 viruses in China have been reported since that time.
How did bird flu start?
The outbreak was linked to handling infected poultry. H5N1 occurs naturally in wild waterfowl, but it can spread easily to domestic poultry. The disease is transmitted to humans through contact with infected bird feces, nasal secretions, or secretions from the mouth or eyes.
Can eggs cause bird flu?
The regulator also said the World Health Organization has stated it is safe to eat poultry meat and eggs and that there is no epidemiological data to suggest the disease can be transmitted to humans through cooked food.
What disease has the highest mortality rate?
Read on to see the top 10 diseases causing the most deaths worldwide, according to the World Health Organization (WHO) .
- Ischemic heart disease, or coronary artery disease. …
- Stroke. …
- Lower respiratory infections. …
- Chronic obstructive pulmonary disease. …
- Trachea, bronchus, and lung cancers. …
- Diabetes mellitus.
Is there a vaccine for H5N1 virus?
Yes. On April 17, 2007, the U.S. Food and Drug Administration (FDA) announced its approval of the first vaccine to prevent human infection with one strain of the avian influenza (bird flu) H5N1 virus.
How many cases of bird flu are there?
The last case was reported from Lao PDR, with an onset date of 13 October 2020 (one case, no death). Globally, from January 2003 to 9 September 2021, there were 863 cases of human infection with avian influenza A(H5N1) virus reported from 18 countries. Of these 863 cases, 456 were fatal (CFR of 53%).