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A term for COVID-19 used by former United States president Donald Trump to emphasize that the pandemic started in China. Comirnaty. Main article: Comirnaty. The commercial name for the FDA approved COVID-19 vaccine from Pfizer, released August 21, 2021. It also has several other names or designators used on the actual vials. Community transmission
Transmission and life-cycle of SARS-CoV-2 causing COVID-19. Coronaviruses vary significantly in risk factor. Some can kill more than 30% of those infected, such as MERS-CoV, and some are relatively harmless, such as the common cold. [49] Coronaviruses can cause colds with major symptoms, such as fever, and a sore throat from swollen adenoids. [91]
The COVID‑19 vaccines are widely credited for their role in reducing the spread of COVID‑19 and reducing the severity and death caused by COVID‑19. [ 211 ] [ 217 ] According to a June 2022 study, COVID‑19 vaccines prevented an additional 14.4 to 19.8 million deaths in 185 countries and territories from 8 December 2020 to 8 December 2021 ...
Coronaviruses are a group of viruses that cause diseases in mammals and birds. Coronavirus may also refer to: Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), a strain that emerged in 2019 Coronavirus disease 2019 (COVID-19), the disease it causes; COVID-19 pandemic, the global spread of that disease
On 24 January, the Institute for Health Metrics and Evaluation estimated that about 57% of the world's population had been infected by COVID-19. [62] [63] By 6 March, it was reported that the total worldwide death count had surpassed 6 million people. [241] By 6 July, Omicron subvariants BA.4 and BA.5 had spread worldwide. [242]
Coronaviruses infect humans, other mammals, including livestock and companion animals, and avian species. [104] Human coronaviruses are capable of causing illnesses ranging from the common cold to more severe diseases such as Middle East respiratory syndrome (MERS, fatality rate ~34%).
[21] [22] According to the World Health Organization, approximately 10 million new TB infections occur every year, and 1.5 million people die from it each year – making it the world's top infectious killer (before COVID-19 pandemic). [21] However, there is a lack of sources which describe major TB epidemics with definite time spans and death ...
An infection is the invasion of tissues by pathogens, their multiplication, and the reaction of host tissues to the infectious agent and the toxins they produce. [1] An infectious disease , also known as a transmissible disease or communicable disease , is an illness resulting from an infection.