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The first confirmed human case in the United States was on 19 January 2020. The World Health Organization declared the COVID-19 outbreak a Public Health Emergency of International Concern (PHEIC) on 30 January 2020, and first referred to it as a pandemic on 11 March 2020. [3] [4] The WHO ended the PHEIC on 5 May 2023. [5]
All RMPs for COVID‑19 vaccines will be published on the EMA's website. [136] The EMA published guidance for developers of potential COVID‑19 vaccines on the clinical evidence to include in marketing authorization applications. [137] In November 2020, the CHMP started a rolling review of the Moderna vaccine for COVID‑19 known as mRNA-1273 ...
On 4 February 2020, US Secretary of Health and Human Services Alex Azar published a notice of declaration under the Public Readiness and Emergency Preparedness Act for medical countermeasures against COVID‑19, covering "any vaccine, used to treat, diagnose, cure, prevent, or mitigate COVID‑19, or the transmission of SARS-CoV-2 or a virus ...
The COVID-19 vaccines are widely credited for their role in reducing the severity and death caused by COVID-19. [ 128 ] [ 129 ] As of March 2023, more than 5.5 billion people had received one or more doses [ 130 ] (11.8 billion in total) in over 197 countries.
[4] [1] [2] [5] [6] While later research determined that a first patient began to show symptoms as early as 1 December 2019, a cluster of cases was not discovered until the end of December. [7] Retrospective study would later indicate that 266 people had been infected before the beginning of 2020.
On July 22, 2020, the U.S. government placed a conditional advance-purchase order of $2 billion with Pfizer to manufacture 100 million doses of a COVID-19 vaccine, with an option for 500 million more, for use in the United States if the vaccine was shown to be safe, effective, licensed, and authorized by the Food and Drug Administration (FDA).
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 ...
The history of coronaviruses is an account of the discovery of the diseases caused by coronaviruses and the diseases they cause. It starts with the first report of a new type of upper-respiratory tract disease among chickens in North Dakota, U.S., in 1931.