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By March 26, 2020, the United States, with the world's third-largest population, surpassed China and Italy as the country with the world's highest number of confirmed cases. [86] By April 25, the U.S. had more than 905,000 confirmed coronavirus cases and nearly 52,000 deaths, giving it a mortality rate around 5.7 percent.
For the Netherlands, based on overall excess mortality, an estimated 20,000 people died from COVID-19 in 2020, [10] while only the death of 11,525 identified COVID-19 cases was registered. [9] The official count of COVID-19 deaths as of December 2021 is slightly more than 5.4 million, according to World Health Organization's report in May 2022.
Weekly confirmed COVID-19 deaths Map of cumulative COVID-19 death rates by U.S. state [8] On December 31, 2019, China announced the discovery of a cluster of pneumonia cases in Wuhan. The first American case was reported on January 20, [9] and Health and Human Services Secretary Alex Azar declared a public health emergency on January 31. [10]
Acute radiation syndrome (ARS), also known as radiation sickness or radiation poisoning, is a collection of health effects that are caused by being exposed to high amounts of ionizing radiation in a short period of time. [1] Symptoms can start within an hour of exposure, and can last for several months.
On 11 April 2020, the United States became the country in North America with the highest official death toll for COVID-19, at over 20,000 deaths. [4] As of 10 April 2022, there are about 97 million cases and about 1.4 million deaths in North America; about 88.9 million have recovered from COVID-19, meaning that nearly 11 out of 12 cases have ...
Five pediatric deaths were reported during the week of Dec. 21, bringing the total number to nine so far during the 2024-25 season. The CDC says levels of the COVID-19 virus being detected in ...
Of the 248 recognized countries and territories around the world, 229 have reported cases of COVID-19 [5]. For more international statistics in table and map form, see COVID-19 pandemic by country and territory. 108 countries and territories have more confirmed cases than the People's Republic of China, the country where the outbreak began.
The level of health risk is dependent on duration and the type and strength of irradiation. Penetrating radiation such as gamma rays, X-rays, neutrons or beta particles pose the greatest risk from an external source. Low penetrating radiation such as alpha particles have a low external risk due to the shielding effect of the top layers of skin.