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Within three months, the virus had spread throughout the continent, as Lesotho, the last African sovereign state to have remained free of the virus, reported a case on 13 May 2020. [ 37 ] [ 38 ] By 26 May, it appeared that most African countries were experiencing community transmission, although testing capacity was limited. [ 39 ]
In early and mid-January, the virus spread to other Chinese provinces, helped by the Chinese New Year migration. Wuhan was a transport hub and major rail interchange. [205] On 10 January, the virus' genome was shared publicly. [206] A retrospective study published in March found that 6,174 people had reported symptoms by 20 January. [207]
Even as the United States grapples with an outbreak of H5N1 flu in dairy cattle, the World Health Organization has announced the first known human infection with a different strain, H5N2, in a ...
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And doctors and scientists are keeping an eye on yet another subvariant — XEC — that could surpass the latest hyperinfectious subvariant, KP.3.1.1, now thought to be the most common nationwide ...
The main virus involved in the global outbreak is classified as H5N1 clade 2.3.4.4b, however genetic diversification with other clades such as 2.3.2.1c has seen the virus evolve in ability to cause significant outbreaks in a broader range of species including mammals.
As the weather warms, it can bring along a wave of illnesses. Here are some summer bugs to watch for in 2023, including HMPV, Covid, enteroviruses, Lyme Disease and more.
Hong Kong flu: 1968–1970 Worldwide Influenza A virus subtype H3N2: 1–4 million [187] [203] [204] 1971 Staphorst polio epidemic 1971 Staphorst, Netherlands Poliomyelitis: 5 [207] 1972 Yugoslav smallpox outbreak: 1972 Yugoslavia: Smallpox: 35 [208] London flu: 1972–1973 United States Influenza A virus subtype H3N2: 1,027 [209] 1973 Italy ...