Search results
Results from the WOW.Com Content Network
A COVID-19 vaccine is intended to provide acquired immunity against severe acute respiratory syndrome coronavirus 2 (SARS‑CoV‑2), the virus that causes coronavirus disease 2019 . Prior to the COVID-19 pandemic, an established body of knowledge existed about the structure and function of coronaviruses causing diseases like severe acute ...
The CDC estimates that 40% of people infected never show symptoms (i.e. are asymptomatic), [98] although there is a 75% chance they can still spread the disease. And while children have a lower risk of becoming ill or dying, the CDC warns that they can still function as asymptomatic carriers and transmit the virus to adults. [98]
The COVID-19 pandemic ranks as the deadliest disaster in the country's history. [43] It was the third-leading cause of death in the U.S. in 2020, behind heart disease and cancer. [ 44 ] From 2019 to 2020, U.S. life expectancy dropped by three years for Hispanic and Latino Americans , 2.9 years for African Americans , and 1.2 years for white ...
The first cases of the COVID-19 pandemic of Coronavirus Disease 2019 in North America were reported in the United States on 23 January 2020. Cases were reported in all North American countries after Saint Kitts and Nevis confirmed a case on 25 March, and in all North American territories after Bonaire confirmed a case on 16 April. [2]
Political leanings are reflected in vaccine hesitancy. Early in the pandemic, before vaccines were available, a poll conducted May 20–21, 2020, found that 44% of Republicans and 19% of Democrats believed a debunked conspiracy theory that Bill Gates was plotting to use a COVID-19 vaccine to inject microchips into the population. [191]
For ten years, Americans have had access to flu shots that protect against four different strains of the flu—two A strains and two B strains. Starting this fall, however, all the flu shots ...
This article documents the chronology and epidemiology of SARS-CoV-2 in 2019, the virus that causes coronavirus disease 2019 and is responsible for the COVID-19 pandemic. The first human cases of COVID-19 known to have been identified were in Wuhan, Hubei, China, in December 2019. It marked the beginning of the 2019–2020 COVID-19 outbreak in ...
The timeline of the COVID-19 pandemic lists the articles containing the chronology and epidemiology of SARS-CoV-2, [1] the virus that causes the coronavirus disease 2019 and is responsible for the COVID-19 pandemic. The first human cases of COVID-19 occurred in Wuhan, People's Republic of China, on or about 17 November 2019. [2]