South America news

Flu Scan for Mar 24, 2022

South Dakota and Maine report extra high-path avian flu outbreaks

South Dakota reported three extra extremely pathogenic avian flu outbreaks on business poultry farms, whereas Maine reported one other detection in a yard flock, based on the most recent updates from the US Division of Agriculture (USDA) Animal and Plant Well being Inspection Service (APHIS).

The outbreaks in South Dakota raised the state’s complete to eight. The three new ones all occurred on turkey farms which have a complete of 189,250 birds. Places embody two counties which have already reported comparable outbreaks: Charles Combine and Hanson. The third occasion struck birds in Beadle County close to Huron within the east central a part of the state.

In Maine, the virus was present in a yard flock for the eighth time, this time in a Cumberland County location that homes 150 combined species of birds. Cumberland County is within the southern a part of the state on the Atlantic coast.

The outbreaks are a part of ongoing exercise involving the Eurasian H5N1 pressure, which has contaminated poultry in a number of components of the world and has been implicated in a single human an infection, a person who had very shut contact with poultry. In the US, the virus has led to the lack of about 13.4 million birds in 17 states since January.
USDA APHIS poultry outbreak web page


WHO: Flu ranges pattern up once more in components of Northern Hemisphere

Flu ranges, after peaking on the finish of 2021, are creeping up once more in some Northern Hemisphere international locations, primarily as a result of H3N2 pressure, the World Well being Group (WHO) mentioned in its newest world flu replace, which covers the top of February and the primary week of March.

In temperate components of the Northern Hemisphere, flu exercise rose or remained secure. For instance, in North America, flu exercise has elevated over the previous weeks, however remains to be at ranges decrease for this time of yr for typical pre–COVID-19 pandemic seasons. Europe’s ranges additionally rose, primarily because of H3N2, whereas a rise in China was primarily from the influenza B Victoria lineage.

Tropical African international locations reported ongoing flu unfold within the japanese area from each H3N2 and influenza B. In the meantime, in temperate Southern Hemisphere international locations, flu remained low general, however with some ongoing H3N2 detections in components of South America.

Of the respiratory samples that examined optimistic for flu at nationwide labs through the newest reporting interval, 74.2% had been influenza A and 25.8% had been influenza B. Of the subtyped influenza A samples, 88% had been H3N2. And of the characterised influenza B samples, all belonged to the Victoria lineage.
Mar 21 WHO world flu replace

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