https://www.cps.org.uk/files/reports/original/201001000814-CPSUPWARDLYMOBILE2.pdf
https://theconversation.com/concerning-coronavirus-mutation-now-found-in-uk-variant-heres-what-you-need-to-know-153248?ncid=newsltukhpmgpols
https://www.thelancet.com/action/showPdf?pii=S1473-3099%2821%2900648-4
https://theconversation.com/por-que-los-algoritmos-se-llaman-algoritmos-229639