In January 2005 an outbreak of avian influenza affected thirty three out of sixty four cities and provinces in Vietnam, leading to the forced killing of nearly 1.2 million poultry. Up to 140 million birds are believed to have died or been killed because of the outbreak.
What flu was there in 2005?
During the 2005-06 season, influenza A (H3N2) viruses predominated overall, but late in the season influenza B viruses were more frequently isolated than influenza A viruses. Influenza A (H1N1) viruses circulated at low levels throughout the season.
How many cases of bird flu were there in 2005?
When 2005 dawned, only 45 human cases of H5N1 avian flu, including 32 deaths, had been counted by the World Health Organization (WHO).
What caused the bird flu epidemic of 2006?
While prior H5N1 strains have been known, they were significantly different from the 2006 strain of H5N1 on a genetic level, making the global spread of this new strain unprecedented. The 2006 strain of H5N1 is a fast-mutating, highly pathogenic avian influenza virus (HPAI) found in multiple bird species.
Was there a pandemic in 1997?
The 1997 Hong Kong outbreak of an avian influenzalike virus, with 18 proven human cases, many severe or fatal, highlighted the challenges of novel influenza viruses.
Was there an avian flu outbreak in 2008?
Eleven outbreaks of H5N1 were reported worldwide in June 2008 in five countries (China, Egypt, Indonesia, Pakistan and Vietnam) compared to 65 outbreaks in June 2006 and 55 in June 2007.
What was the flu virus in 1997?
Results: During the 1997–98 influenza season, influenza A(H3N2) was the most frequently isolated influenza virus type/subtype. Influenza A(H1N1) and B viruses were reported infrequently. The proportion of respiratory specimens testing positive for influenza peaked at 28% in late January.
Does bird flu still exist?
These flu viruses occur naturally among birds. Wild birds worldwide carry the viruses in their intestines, but usually do not get sick from them. However, bird flu is very contagious among birds and can make some domesticated birds, including chickens and ducks, very sick and kill them.
Where was the bird flu outbreak in 2005?
October 19, 2005. China announced a fresh outbreak of bird flu, saying 2,600 birds have died from the disease in Inner Mongolia. The deaths, at a farm near the region’s capital of Hohhot, were due to the H5N1 strain, the Xinhua news agency said.
Who was the UN coordinator for avian influenza in 2005?
On September 29, 2005, David Nabarro, the newly appointed Senior United Nations System Coordinator for Avian and Human Influenza, warned the world that an outbreak of avian influenza could kill 5 to 150 million people. David Nabarro later stated that as the virus had spread to migratory birds, an outbreak could start in Africa or the Middle East.
When was the avian flu outbreak in Vietnam?
Unless otherwise indicated, “H5N1” in this article refers to the recent highly pathogenic strain of H5N1. In January 2005 an outbreak of avian influenza affected thirty three out of sixty four cities and provinces in Vietnam, leading to the forced killing of nearly 1.2 million poultry.
How many birds were killed by H5N1 in 2005?
Up to 140 million birds are believed to have died or been killed because of the outbreak. In April 2005 an unprecedented die-off began of over 6,000 migratory birds at Qinghai Lake in central China over three months. This strain of H5N1 is the same strain as is spread west by migratory birds over at least the next ten months.