COVID 19
SaRS CoV 2

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COVID 19

SaRS CoV 2

Importance of the microorganism

¡let's start!

Exploring pathogenic microorganisms

Structure and key features

  • Single-stranded RNA genome
  • Lipid membrane derived from host cells
  • Spike proteins
  • M and E proteins

s t e p s

cycle

Reproductive

03

Replication and transcription of its RNA genome

02

Entry into host cells by membrane fusion or endocytosis

01

Attachment to host cells through spike proteins binding to receptors

06

Release of mature virus particles to infect other cells

05

Assembly of new viral particles

04

Translation of viral proteins using host cell machinery

Person-to-person Respiratory droplets -coughing/sneezing -stethoscope/ thermometer

Alveolar cells -endocytosis -replicating intracellularly

Infection pathway and transmission methods

HUMANS

BATS

shortness

transmission

illness

increased

asymptomatic

respiratory

Conclusion

CDC. (2023, septiembre 1). SARS-CoV-2 variant classifications and definitions. Centers for Disease Control and Prevention. https://www.cdc.gov/coronavirus/2019-ncov/variants/variant-classifications.html Sapkota, A. (2021, abril 5). Structure and Genome of SARS-CoV-2 (COVID-19) with diagram. Microbe Notes; Sagar Aryal. https://microbenotes.com/structure-and-genome-of-sars-cov-2/ Wikipedia contributors. (2023, septiembre 16). SARS-CoV-2. Wikipedia, The Free Encyclopedia. https://en.wikipedia.org/w/index.php?title=SARS-CoV-2&oldid=1175668263 Fernández-Pérez, G. C., Oñate Miranda, M., Fernández-Rodríguez, P., Velasco Casares, M., Corral de la Calle, M., Franco López, Á., Díez Blanco, M., & Cuchat, J. M. O. (2021). SARS-CoV-2: cómo es, cómo actúa y cómo se expresa en la imagen. Radiologia, 63(2), 115–126. https://doi.org/10.1016/j.rx.2020.10.006 Vías de transmisión del virus de la COVID-19: repercusiones para las recomendaciones relativas a las precauciones en materia de prevención y control de las infecciones. (s/f). Who.int. Recuperado el 18 de septiembre de 2023, de https://www.who.int/es/news-room/commentaries/detail/modes-of-transmission-of-virus-causing-covid-19-implications-for-ipc-precaution-recommendations Cortés, M. E. (2020). Coronavirus zoonótico SARS-CoV-2:La búsqueda del misterioso hospedero intermediario. Revista medica herediana : organo oficial de la Facultad de Medicina “Alberto Hurtado”, Universidad Peruana Cayetano Heredia, Lima, Peru, 31(2), 138–140. https://doi.org/10.20453/rmh.v31i2.3781 Coronavirus. (s/f). Who.int. Recuperado el 18 de septiembre de 2023, de https://www.who.int/es/health-topics/coronavirus Enfermedad por coronavirus 2019 (COVID-19). (s/f). Medlineplus.gov. Recuperado el 18 de septiembre de 2023, de https://medlineplus.gov/spanish/ency/article/007768.htm de la Merced, D. (s/f). Los mil y un usos de los microorganismos (opinión experta). Tec.mx. Recuperado el 18 de septiembre de 2023, de https://conecta.tec.mx/es/noticias/cuernavaca/investigacion/los-mil-y-un-usos-de-los-microorganismos-opinion-experta

REFERENCES

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