Epidemiological update: A(H7N9) influenza virus, China, 19 December 2013
In March 2013, Chinese authorities announced the identification of a novel reassortant A(H7N9) avian influenza virus in patients in eastern China.
Epidemiological update A(H7N9) influenza, 6 February 2014
In March 2013, Chinese authorities announced the identification of a novel reassortant A(H7N9) influenza virus in patients in eastern China. Since then, human cases have continued to be reported, and as of 7 February 2014 (Figure 1), there have been 308 laboratory-confirmed cases: Zhejiang (122), Guangdong (54), Shanghai (42), Jiangsu (36), Fujian (19), Hunan (7), Jiangxi (5), Henan (4), Anhui (4) ,Beijing (3), Shandong (2), Hebei (1), Guangxi (2), Guizhou (1), Hong Kong (4) and Taiwan (2). In addition, the virus has been detected in one asymptomatic case in Beijing.
Very low public health threat related to outbreak of avian influenza A(H5N8) in turkeys in Germany
The risk of transmission of avian influenza A(H5N8) to the general public in the EU/EEA countries is extremely low.
Epidemiological update: Human infection with avian influenza A(H7N9) virus, China
On 4 February 2015, the National Health and Family Planning Commission (NHFPC) of China notified WHO of 83 additional laboratory-confirmed cases of human infection with avian influenza A(H7N9) virus. Onset dates ranged from 20 December 2014 to 27 January 2015.
Recent upsurge of A(H7N9) cases in China, updated rapid risk assessment
A steep increase of human cases of avian influenza A(H7N9) has been reported since the beginning of December 2016 from China. At present, the most immediate threat to EU citizens is to those living or visiting influenza A(H7N9)-affected areas in China concludes the updated rapid risk assessment.
Influenza surveillance for the 2017-2018 season is starting
ECDC monitors and reports on influenza transmission and virus circulation in Europe on a weekly basis throughout the flu season, in collaboration with WHO Regional Office for Europe, in the report Flu News Europe.
Influenza A(H7N9) virus gains neuraminidase inhibitor resistance without loss of in vivo virulence or transmissibility
Without baseline human immunity to the emergent avian influenza A(H7N9) virus, neuraminidase inhibitors are vital for controlling viral replication in severe infections.
FLURISK project proposes a model to rank animal influenza strains by their potential to infect humans
The final report of the FLURISK project by the European Food Safety Authority (EFSA) proposes a risk assessment framework to rank animal influenza strains according to their potential to infect humans.
Mutation of avian influenza A(H7N9): now highly pathogenic for poultry but risk of human-to-human transmission remains low
The upsurge of human cases in China during the winter 2016-2017 due to A(H7N9) gives cause for concern.