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The CDC recommends a flu shot for everyone over 6 months old and says a recent study shows that flu vaccines last season significantly reduced the need for hospitalization and the risk of serious ...
Respiratory syncytial virus (RSV) causes infections of the breathing passages and lungs. It's so common that most children have been infected with the virus by age 2, according to the Mayo Clinic .
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 ...
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. [204] On 10 January, the virus' genome was shared publicly. [205] A retrospective study published in March found that 6,174 people had reported symptoms by 20 January. [206]
Virus infections start when viral particles bind to host surface cellular receptors. [158] Protein modeling experiments on the spike protein of the virus soon suggested that SARS‑CoV‑2 has sufficient affinity to the receptor angiotensin converting enzyme 2 (ACE2) on human cells to use them as a mechanism of cell entry. [159]
A new COVID-19 subvariant, known as XBB.1.16 but often called "Arcturus," has progressively become more viral here in the United States, accounting for 10% of infections through late April.
By mid-April the peak had been passed and restrictions were gradually eased. A second wave, with a new variant that originated in the UK becoming dominant, began in the autumn and peaked in mid-January 2021, and was deadlier than the first. The UK started a COVID-19 vaccination programme in early December 2020. Generalised restrictions were ...
Data collected from the CDC shows that getting the flu vaccine reduces the risk of getting the flu between 40% and 60%. You can get the flu and COVID vaccines at the same time or at different times.