COVID-19

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Coronavirus disease 2019 (COVID-19)
Other names	COVID, (the) coronavirus
COVID-19 symptoms
Pronunciation	/kəˈroʊnəˌvaɪrəs dɪˈziːz/
Medical specialty	Infectious disease
Symptoms	Fever, cough, tiredness (fatigue), shortness of breath, vomiting, loss of taste or smell; sometimes without any symptoms[1][2]
Complications	Pneumonia, viral sepsis, acute respiratory distress syndrome, kidney failure, cytokine release syndrome, respiratory failure, pulmonary fibrosis, pediatric multisystem inflammatory syndrome, chronic COVID syndrome
Usual onset	2-14 days (typically 5) from infection
Duration	5 days to 10+ months known
Causes	SARS-CoV-2
Diagnostic method	rRT-PCR testing, CT scan, Rapid antigen test
Prevention	Face coverings, quarantine, physical/social distancing, ventilation, hand washing,[3] vaccination[4]
Treatment	Symptomatic and supportive
Frequency	775,335,902 confirmed cases
Deaths	7,045,569

Coronavirus disease 2019 (COVID-19) is an infectious disease caused by SARS coronavirus 2 (SARS-CoV-2),^[5] a virus closely related to the SARS virus.^[6][7][8]

The disease is the cause of the COVID-19 pandemic.^[9][10] People who get the disease might get fever, dry cough, fatigue (tiredness), loss of taste or smell, and shortness of breath. A sore throat, runny nose, or sneezing is less common. In some cases, people might wheeze, have difficulty breathing, have fewer white blood cells, or not be hungry. ^[9][10] COVID-19 can kill people. COVID-19 has killed more than six million people around the world.^[11] Some infected people are asymptomatic carriers, which means that they spread the virus without anybody knowing they're sick. About 6% of people who contract the disease suffer from long Covid,

The COVID-19 virus travels from one person to another through air droplets.

1. ↑ "Symptoms of Coronavirus". U.S. Centers for Disease Control and Prevention (CDC). 13 May 2020. Archived from the original on 17 June 2020. Retrieved 18 June 2020.
2. ↑ "Q&A on coronaviruses (COVID-19)". World Health Organization (WHO). 17 April 2020. Archived from the original on 14 May 2020. Retrieved 14 May 2020.
3. ↑ Nussbaumer-Streit B, Mayr V, Dobrescu AI, Chapman A, Persad E, Klerings I, et al. (April 2020). "Quarantine alone or in combination with other public health measures to control COVID-19: a rapid review". The Cochrane Database of Systematic Reviews. 4 (4): CD013574. doi:10.1002/14651858.CD013574. PMC 7141753. PMID 32267544.
4. ↑ "COVID-19 vaccines". World Health Organization (WHO). Archived from the original on 3 March 2021. Retrieved 3 March 2021.
5. ↑ "Naming the coronavirus disease (COVID-19) and the virus that causes it". www.who.int. World Health Organization. Archived from the original on 2020-02-28. Retrieved 2020-02-28.
6. ↑ World Health Organization (February 11, 2020). Novel Coronavirus (2019-nCoV): situation report, 22 (PDF) (Report). World Health Organization.
7. ↑ Gorbalenya AE (2020-02-11). "Severe acute respiratory syndrome-related coronavirus – The species and its viruses, a statement of the Coronavirus Study Group". bioRxiv: 2020.02.07.937862. doi:10.1101/2020.02.07.937862. S2CID 214317727. Archived from the original on 11 February 2020. Retrieved 11 February 2020.
8. ↑ "Coronavirus disease named Covid-19". BBC News. 2020-02-11. Archived from the original on 11 February 2020. Retrieved 2020-02-11.
9. ↑ ^{9.0 9.1} Hui, D. S.; I. Azhar E.; Madani, T. A.; Ntoumi, F.; Kock, R.; Dar, O.; Ippolito, G.; Mchugh, T. D.; Memish, Z. A.; Drosten, Christian; Zumla, A.; Petersen, E. (February 2020). "The continuing 2019-nCoV epidemic threat of novel coronaviruses to global health—The latest 2019 novel coronavirus outbreak in Wuhan, China". Int J Infect Dis. 91: 264–66. doi:10.1016/j.ijid.2020.01.009. PMC 7128332. PMID 31953166.
10. ↑ ^{10.0 10.1} "Q&A on coronaviruses". World Health Organization (WHO). Archived from the original on 20 January 2020. Retrieved 27 January 2020.
11. ↑ "COVID-19 map - Johns Hopkins Coronavirus Resource Center". Johns Hopkins University. Archived from the original on 12 September 2021. Retrieved 6 February 2023.