Wikidata:WikiProject COVID-19/Statements/Severe acute respiratory syndrome coronavirus 2
Contains text from en:Severe_acute_respiratory_syndrome_coronavirus_2:
Initial Paragraphs edit
P1 edit
- SARS-CoV-2 is a positive-sense single-stranded RNA virus.
SARS-CoV-2 (Q82069695) ICTV virus genome composition (P4628) positive-sense single-stranded RNA virus (Q9094478).
- It is contagious in humans.
SARS-CoV-2 (Q82069695) has effect (P1542) COVID-19 (Q84263196)
SARS-CoV-2 (Q82069695) host (P2975) Homo sapiens (Q15978631)
- The cause of the ongoing pandemic of coronavirus disease 2019 (COVID-19).
COVID-19 pandemic (Q81068910) has cause (P828) SARS-CoV-2 (Q82069695)
- The ongoing pandemic of coronavirus disease 2019 (COVID-19) has been designated a Public Health Emergency of International Concern by the World Health Organization (WHO).
COVID-19 pandemic (Q81068910) instance of (P31) public health emergency of international concern (Q17076801) statement supported by (P3680) World Health Organization (Q7817)
- The strain was first discovered in Wuhan
SARS-CoV-2 (Q82069695) first identified in Wuhan (Q11746)
- it has been referred to as the "Wuhan virus" or "Wuhan coronavirus
SARS-CoV-2 (Q82069695) Aen "Wuhan virus"
SARS-CoV-2 (Q82069695) Aen ""Wuhan coronavirus"
- World Health Organization (WHO) discourages the use of names based upon locations
World Health Organization (Q7817) discourages naming after a location (Q88103084)
- To avoid confusion with the disease SARS, the WHO sometimes refers to the virus as "the virus responsible for COVID-19" or "the COVID-19 virus".
SARS-CoV-2 (Q82069695) different from (P1889) severe acute respiratory syndrome (Q103177)
SARS-CoV-2 (Q82069695) Aen "the virus responsible for COVID-19" used by World Health Organization (Q7817)
SARS-CoV-2 (Q82069695) Aen "the COVID-19 virus" used by World Health Organization (Q7817)
P2 edit
- Taxonomically, SARS-CoV-2 is a strain of Severe acute respiratory syndrome-related coronavirus (SARSr-CoV).
SARS-CoV-2 (Q82069695) instance of (P31) strain (Q855769) SARS-CoV-2 (Q82069695) parent taxon (P171) SARSr-CoV (Q278567)
- SARS-CoV-2 has close genetic similarity to bat coronaviruses
SARS-CoV-2 (Q82069695) similar to bat coronavirus (Q88099582)
- from which it likely originated.
SARS-CoV-2 (Q82069695) group of ancestor bat coronavirus (Q88099582)
- An intermediate animal reservoir such as a pangolin.
SARS-CoV-2 (Q82069695) intermediate host Pholidota (Q2191516)
- The virus shows little genetic diversity.
SARS-CoV-2 (Q82069695) taxon genetic diversity low
- The spillover event introducing SARS-CoV-2 to humans is likely to have occurred in late 2019.
SARS-CoV-2 (Q82069695) host (P2975) Homo sapiens (Q15978631) start time (P580) late 2019
Virology edit
Infection edit
- Human-to-human transmission of SARS-CoV-2 has been confirmed during the 2019–20 coronavirus pandemic
COVID-19 (Q84263196) disease transmission process (P1060) direct transmission (Q15304504) "discovered during the event" COVID-19 pandemic (Q81068910)
- Transmission occurs primarily via respiratory droplets from coughs and sneezes
COVID-19 (Q84263196)disease transmission process (P1060) droplet infection (Q15304517) range of about 1.8 meters
sneeze (Q35830) form of droplet infection (Q15304517)
cough (Q35805) form of droplet infection (Q15304517)
- Indirect contact via contaminated surfaces is another possible cause of infection
COVID-19 (Q84263196) disease transmission process (P1060) fomite transmission (Q88103997)
- The virus may remain viable on plastic and steel for up to three days, but does not survive on cardboard for more than one day or on copper for more than four hours.
SARS-CoV-2 (Q82069695) viability on top of plastic (Q11474) duration (P2047) 3 days
SARS-CoV-2 (Q82069695) viability on top of steel (Q11427) duration (P2047) 3 days
SARS-CoV-2 (Q82069695) viability on top of cardboard (Q389782) duration (P2047) 1 day
SARS-CoV-2 (Q82069695) viability on top of copper (Q753) duration (P2047) 4 hours
- The virion (the free form of the virus) is inactivated by soap.
SARS-CoV-2 (Q82069695) "dies in response to" soap (Q34396)
- Viral RNA has also been found in stool samples from infected patients.
SARS-CoV-2 (Q82069695) found partially in human feces (Q3174392) in the form of RNA (Q11053)
- Whether the virus is infectious during the incubation period is uncertain
COVID-19 (Q84263196) infectious during situation incubation period (Q193566) sourcing circumstances (P1480) existence uncertain (Q86454040)
- On 1 February 2020, the World Health Organization (WHO) indicated that "transmission from asymptomatic cases is likely not a major driver of transmission"
COVID-19 (Q84263196) infectious during state incubation period (Q193566) sourcing circumstances (P1480) pending investigation (Q15729048) stated in (P248) unlikely point in time (P585) 1 February 2020
- However, an epidemiological model of the beginning of the outbreak in China (published in Science) suggested that "pre-symptomatic shedding may be typical among documented infections" and "undocumented infections were the infection source for 79% of documented cases"
COVID-19 (Q84263196) infectious during state incubation period (Q193566) sourcing circumstances (P1480) probably (Q56644435) stated in (P248) Substantial undocumented infection facilitates the rapid dissemination of novel coronavirus (SARS-CoV2) (Q87789617)
Substantial undocumented infection facilitates the rapid dissemination of novel coronavirus (SARS-CoV2) (Q87789617) published in (P1433) Science (Q192864)
Substantial undocumented infection facilitates the rapid dissemination of novel coronavirus (SARS-CoV2) (Q87789617) main subject (P921) COVID-19 pandemic in China (Q83872271)
Reservoir edit
P1 edit
- The first known infections from the SARS-CoV-2 strain were discovered in Wuhan, China.
COVID-19 (Q84263196) first cases documented in Wuhan (Q11746)
- The original source of viral transmission to humans and when the strain became pathogenic remains unclear.
SARS-CoV-2 (Q82069695) first appeared in unknown (Q24238356)
P2 edit
- Research into the natural reservoir of the virus strain that caused the 2002–2004 SARS outbreak.
2002–2004 SARS outbreak (Q834456) has cause (P828) ?virustrain
?virustrain instance of (P31) virus taxon (Q87756246)
?virustrain has natural reservoir (P1605) unknown (Q24238356)
- discovery of many SARS-like bat coronaviruses, most originating in the Rhinolophus genus of horseshoe bats
bat SARS-like coronavirus (Q88892837) host group of majority Rhinolophus (Q2000632)
- two viral nucleic acid sequences found in samples taken from show a resemblance of 80% to SARS-CoV-2.
pair of viral nucleic acid sequences found in Chinese rufous horseshoe bat (Q1767536) genetically similar to SARS-CoV-2 (Q82069695) similarity amount 80%
- A third viral nucleic acid sequence from Rhinolophus affinis, collected in Yunnan province and designated RaTG13, has a 96% resemblance to SARS-CoV-2.
RaTG13 (Q88893477) host (P2975) Rhinolophus affinis (Q1765459)
RaTG13 (Q88893477) location of discovery (P189) Yunnan (Q43194)
RaTG13 (Q88893477) genetically similar to' SARS-CoV-2 (Q82069695) similarity amount1 96%
- The WHO considers bats the most likely natural reservoir of SARS-CoV-2
SARS-CoV-2 (Q82069695) has natural reservoir (P1605) bats (Q28425) statement supported by (P3680) World Health Organization (Q7817)