Table of Contents
What caused the bird flu outbreak?
Avian influenza or bird flu refers to the disease caused by infection with avian (bird) influenza (flu) Type A viruses. These viruses naturally spread among wild aquatic birds worldwide and can infect domestic poultry and other bird and animal species.
Where did H7N9 originate?
Background. 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.
Was there a pandemic in 2007?
The Pandemic Threat: H5N1 Virus in 2006–2007 H5N1 virus was associated with the deaths of >230 million birds during that time. Human infection due to the H5N1 virus has been reported in 12 countries, resulting in 330 known cases and an associated mortality rate of ∼60% as of 8 October 2007 (table 1) [3].
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.
What virus was in 2008?
Measles, a highly contagious acute viral disease, can result in serious complications and death. During January 1-April 25, 2008, a total of 64 confirmed measles cases were preliminarily reported to CDC, the most reported by this date for any year since 2001.
What virus was in 2007?
What is the history of the Asian H7N9 virus?
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 many cases of H7N9 have been reported in China?
China is currently experiencing its 6th epidemic of Asian H7N9 human infections. Since October 1, 2017, there have been only 3 reported human infections. , making it the largest H7N9 epidemic to date. As of December 7, 2017, the total cumulative number of human infections with Asian lineage H7N9 reported by WHO since 2013 is 1565.
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.
Did Tianjin Television report the explosion on time?
Tianjin Television had reported the explosion on their early morning news at 7:00 am, but citizens complained that the station had not reported live nor updated on the event, instead showing soap operas eight hours later.