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  2. Atomic bombings of Hiroshima and Nagasaki - Wikipedia

    en.wikipedia.org/wiki/Atomic_bombings_of...

    The Fat Man weapon, containing a core of about 5 kg (11 lb) of plutonium, was dropped over the city's industrial valley. It exploded 47 seconds later at 11:02 Japanese Time [127] at 503 ± 10 m (1,650 ± 33 ft), above a tennis court, [207] halfway between the Mitsubishi Steel and Arms Works in the south and the Nagasaki Arsenal in the north.

  3. COVID-19 - Wikipedia

    en.wikipedia.org/wiki/COVID-19

    [145] [146] An acute cardiac injury was found in 12% of infected people admitted to the hospital in Wuhan, China, [147] and is more frequent in severe disease. [148] Rates of cardiovascular symptoms are high, owing to the systemic inflammatory response and immune system disorders during disease progression, but acute myocardial injuries may ...

  4. COVID-19 pandemic - Wikipedia

    en.wikipedia.org/wiki/COVID-19_pandemic

    Per Our World in Data, 103,436,829 [5] confirmed cases have been reported in the United States with 1,215,005 [5] deaths, the most of any country, and the nineteenth-highest per capita worldwide. [358] COVID-19 is the deadliest pandemic in US history; [359] it was the third-leading cause of death in the US in 2020, behind heart disease and ...