'''Коронавирусната болест 2019''' ({{lang|en|COVID-19}}, съкратено от '''Co'''rona '''Vi'''rus '''D'''isease-2019) е [[инфекциозна болест]], която се причинява от ''тежкия остър респираторен синдром коронавирус 2'' [[SARS-CoV-2]]. На 11 март 2020 г. [[Световна здравна организация|Световната здравна организация]] обявява [[пандемия от коронавирус (2019-2020)]].<ref>{{цитат уеб | уеб_адрес = https://www.who.int/dg/speeches/detail/who-director-general-s-opening-remarks-at-the-media-briefing-on-covid-19---11-march-2020 | заглавие = WHO Director-General's opening remarks at the media briefing on COVID-19 | достъп_дата = 15-03-2020 | фамилно_име = | първо_име = | автор_препратка = | съавтори = | дата = 11-03-2020 | труд = | издател = Официален сайт на СЗО | формат = | страници = | архив_уеб_адрес = | архив_дата = | цитат = | език-скрит = | език = en }}</ref> [[File:COVID-19-outbreak-timeline.gif|thumb|Карта за разпространение на вируси<ref>[https://moskva.bz/koronavirus.html Карта за разпространение на вируси]</ref>]]
[[Вируси|Вирусът]] се разпространява предимно между хората по време на близък контакт,<ref name="WHO2020QA">{{cite web|език=en|url=https://www.who.int/news-room/q-a-detail/q-a-coronaviruses|title=Q&A on coronaviruses|date=8 April 2020|work=[[World Health Organization]]|url-status=live|archive-url=https://web.archive.org/web/20200120174649/https://www.who.int/news-room/q-a-detail/q-a-coronaviruses|archive-date=20 January 2020|access-date=12 April 2020}}</ref><ref name="CDCTrans">{{cite web|език=en|url=https://www.cdc.gov/coronavirus/2019-ncov/prevent-getting-sick/how-covid-spreads.html |title=How COVID-19 Spreads |date=2 April 2020|website=[[Centers for Disease Control and Prevention]] (CDC) |url-status=live|archive-url=https://web.archive.org/web/20200403001235/https://www.cdc.gov/coronavirus/2019-ncov/prepare/transmission.html|archive-date=April 3, 2020|access-date=April 3, 2020}}</ref> често чрез малки капчици произведени от [[Кашлица|кашляне]],<ref name="Bourouiba, JAMA, 26 March">{{Citecite journal| език=en|doi = 10.1001/jama.2020.4756| vauthors=Bourouiba L | title = Turbulent Gas Clouds and Respiratory Pathogen Emissions: Potential Implications for Reducing Transmission of COVID-19| journal = JAMA | date = March 2020| pmid = 32215590}}</ref> [[кихане]] или [[Реч|говорене]].<ref name="WHO2020QA" /><ref name=CDCTrans/><ref name="ECDCQA">{{cite web|език=en|url=https://www.ecdc.europa.eu/en/novel-coronavirus-china/questions-answers|title=Q & A on COVID-19|website=European Centre for Disease Prevention and Control|url-status=live|archive-url=https://web.archive.org/web/20200205054338/https://www.ecdc.europa.eu/en/novel-coronavirus-china/questions-answers|archive-date=5 February 2020|access-date=23 March 2020}}</ref> Макар и капчиците да бъдат изстреляни във въздуха при [[Дишане|издишване]], те обикновено попадат на земята или върху повърхности вместо да бъдат заразни на дълги разстояния.<ref name=WHO2020QA/><ref name=Modes>{{cite web |език=en|title=Modes of transmission of virus causing COVID-19: implications for IPC precaution recommendations |url=https://www.who.int/news-room/commentaries/detail/modes-of-transmission-of-virus-causing-covid-19-implications-for-ipc-precaution-recommendations |website=World Health Organization |access-date=3 April 2020 |date=29 March 2020 |quote=According to current evidence, COVID-19 virus is primarily transmitted between people through respiratory droplets and contact routes.}}</ref><ref>{{cite web |език=en|last1=Organization (WHO) |first1=World Health |title=FACT: #COVID19 is NOT airborne. The #coronavirus is mainly transmitted through droplets generated when an infected person coughs, sneezes or speaks.To protect yourself:-keep 1m distance from others-disinfect surfaces frequently-wash/rub your – avoid touching your pic.twitter.com/fpkcpHAJx7 |url=https://twitter.com/WHO/status/1243972193169616898/photo/1 |website=@WHO |access-date=3 April 2020 |date=28 March 2020 |quote=These droplets are too heavy to hang in the air. They quickly fall on floors or surfaces.}}</ref> Хората също могат да се заразят при пипане на заразени повърхности и след това своите лица.<ref name=WHO2020QA/><ref name=CDCTrans/> Вирусът може да оцелее върху повърхности до 72 часа.<ref name="StableNIH">{{cite web|език=en|url=https://www.nih.gov/news-events/news-releases/new-coronavirus-stable-hours-surfaces|title=New coronavirus stable for hours on surfaces|date=17 March 2020|publisher=[[National Institutes of Health]]|url-status=live|archive-url=https://web.archive.org/web/20200323032520/https://www.nih.gov/news-events/news-releases/new-coronavirus-stable-hours-surfaces|archive-date=23 March 2020|access-date=23 March 2020}}</ref> Той е най-заразен по време на първите три дни след появата на [[Симптом|симптоми]], макар че разпространението може да бъде възможно преди да се появят симптоми и след късните фази на болестта.<ref name=":22">{{cite web|език=en|url=https://www.who.int/docs/default-source/coronaviruse/situation-reports/20200402-sitrep-73-covid-19.pdf?sfvrsn=5ae25bc7_4|title=Coronavirus disease 2019 (COVID-19) Situation Report—73|last=|first=|date=2 April 2020|website=World Health Organization|url-status=live|archive-url=|archive-date=|access-date=3 April 2020}}</ref>
}} [[кихане]] или [[Реч|говорене]].<ref name="WHO2020QA" /><ref name=CDCTrans/><ref name="ECDCQA">{{cite web|език=en|url=https://www.ecdc.europa.eu/en/novel-coronavirus-china/questions-answers|title=Q & A on COVID-19|website=European Centre for Disease Prevention and Control|url-status=live|archive-url=https://web.archive.org/web/20200205054338/https://www.ecdc.europa.eu/en/novel-coronavirus-china/questions-answers|archive-date=5 February 2020|access-date=23 March 2020}}</ref> Макар и капчиците да бъдат изстреляни във въздуха при [[Дишане|издишване]], те обикновено попадат на земята или върху повърхности вместо да бъдат заразни на дълги разстояния.<ref name=WHO2020QA/><ref name=Modes>{{cite web |език=en|title=Modes of transmission of virus causing COVID-19: implications for IPC precaution recommendations |url=https://www.who.int/news-room/commentaries/detail/modes-of-transmission-of-virus-causing-covid-19-implications-for-ipc-precaution-recommendations |website=World Health Organization |access-date=3 April 2020 |date=29 March 2020 |quote=According to current evidence, COVID-19 virus is primarily transmitted between people through respiratory droplets and contact routes.}}</ref><ref>{{cite web |език=en|last1=Organization (WHO) |first1=World Health |title=FACT: #COVID19 is NOT airborne. The #coronavirus is mainly transmitted through droplets generated when an infected person coughs, sneezes or speaks.To protect yourself:-keep 1m distance from others-disinfect surfaces frequently-wash/rub your – avoid touching your pic.twitter.com/fpkcpHAJx7 |url=https://twitter.com/WHO/status/1243972193169616898/photo/1 |website=@WHO |access-date=3 April 2020 |date=28 March 2020 |quote=These droplets are too heavy to hang in the air. They quickly fall on floors or surfaces.}}</ref> Хората също могат да се заразят при пипане на заразени повърхности и след това своите лица.<ref name=WHO2020QA/><ref name=CDCTrans/> Вирусът може да оцелее върху повърхности до 72 часа.<ref name="StableNIH">{{cite web|език=en|url=https://www.nih.gov/news-events/news-releases/new-coronavirus-stable-hours-surfaces|title=New coronavirus stable for hours on surfaces|date=17 March 2020|publisher=[[National Institutes of Health]]|url-status=live|archive-url=https://web.archive.org/web/20200323032520/https://www.nih.gov/news-events/news-releases/new-coronavirus-stable-hours-surfaces|archive-date=23 March 2020|access-date=23 March 2020}}</ref> Той е най-заразен по време на първите три дни след появата на [[Симптом|симптоми]], макар че разпространението може да бъде възможно преди да се появят симптоми и след късните фази на болестта.<ref name=":22">{{cite web|език=en|url=https://www.who.int/docs/default-source/coronaviruse/situation-reports/20200402-sitrep-73-covid-19.pdf?sfvrsn=5ae25bc7_4|title=Coronavirus disease 2019 (COVID-19) Situation Report—73|last=|first=|date=2 April 2020|website=World Health Organization|url-status=live|archive-url=|archive-date=|access-date=3 April 2020}}</ref>
