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Hvitserk is attested to by the Tale of Ragnar's Sons (Ragnarssona þáttr).He is not mentioned in any source that mentions Halfdan Ragnarsson, one of the leaders of the Great Heathen Army that invaded the Kingdom of East Anglia in 867, or vice versa, which consequently led some scholars to suggest that they are the same individual with Hvitserk being only a nickname.
Because Halfdan is not mentioned in any source that mentions Hvitserk, some scholars have suggested that they are the same individual – a possibility reinforced by the fact that Halfdan was a relatively common name among Vikings and Hvitserk "white shirt" may have been an epithet or nickname that distinguished Halfdan from other men by the ...
Ivar the Boneless (Old Norse: Ívarr hinn Beinlausi [ˈiːˌwɑrː ˈhinː ˈbɛinˌlɔuse]; died c. 873), also known as Ivar Ragnarsson, was a Viking leader who invaded England and Ireland. According to the Tale of Ragnar Lodbrok , he was the son of Aslaug and her husband Ragnar Loðbrok , and was the brother of Björn Ironside , Halvdan (or ...
Influenza A virus subtype H1N1: 2,035 [284] [285] [286] 2015–16 Zika virus epidemic: 2015–2016 Worldwide Zika virus: 53 [287] 2016 Angola and Democratic Republic of the Congo yellow fever outbreak: 2016 Angola and Democratic Republic of the Congo: Yellow fever: 498 (377 in Angola, 121 in Congo) [288] 2016–2022 Yemen cholera outbreak: 2016 ...
The disease killed an estimated 400,000 Europeans annually during the 19th century and one-third of all the blindness of that time was caused by smallpox. 20 to 60% of all the people that were infected died and 80% of all the children with the infection also died. It caused also many deaths in the 20th century, over 300–500 million.
Young people with polio receiving physiotherapy in the 1950s. The social history of viruses describes the influence of viruses and viral infections on human history. Epidemics caused by viruses began when human behaviour changed during the Neolithic period, around 12,000 years ago, when humans developed more densely populated agricultural communities.
Ubba (Old Norse: Ubbi; died 878) was a 9th-century Viking and one of the commanders of the Great Heathen Army that invaded Anglo-Saxon England in the 860s. [note 1] The Great Army appears to have been a coalition of warbands drawn from Scandinavia, Ireland, the Irish Sea region and Continental Europe.
Influenza A virus and influenza B virus co-circulate, so have the same patterns of transmission. [1] The seasonality of influenza C virus, however, is poorly understood. Influenza C virus infection is most common in children under the age of two, and by adulthood most people have been exposed to it.