Biernath, André (14. januar 2021). «Coronavirus: qué se sabe sobre la nueva variante encontrada en Brasil (y que llegó a Japón)». BBC Brasil(spansk). Sao Paulo. «Los científicos analizaron el material genético de 31 muestras de pacientes con covid-19 en la ciudad de Manaos... ...De ellos, 13 individuos (el 42% del total) presentaban justamente ese nuevo linaje del virus. Scientists analyzed the genetic material of 31 samples from patients with covid-19 in the city of Manaus... ...Of them, 13 individuals (42% of the total) presented precisely this new lineage of the virus.»
«新たなコロナ変異種を確認 ブラジルから入国の4人». The Nikkei(japansk). Japan. 10. januar 2020. «厚生労働省は10日、ブラジルから羽田空港に2日に到着した10~40代の男女4人が、新型コロナウイルスでこれまで確認されていないタイプの変異種に感染していたと発表した。国内での変異種への感染確認は計34人になった (The Ministry of Health, Labor and Welfare announced on the 10th that four men and women in their teens and 40s who arrived at Haneda Airport from Brazil on the 2nd were infected with a type of mutation that had not been confirmed so far with the new coronavirus.)»
«Supplementary Table 1 Acknowledgement Table GISAID»(PDF). virological.org. GISAID. 14. januar 2021. s. 10. Besøkt 14. januar 2021. «EPI_ISL_792680, EPI_ISL_792681, EPI_ISL_792682, EPI_ISL_792683 - Pathogen Genomics Center, National Institute of Infectious Diseases Pathogen Genomics Center, National Institute of Infectious Diseases - Tsuyoshi Sekizuka, Kentaro Itokawa, Rina Tanaka, Masanori Hashino, Makoto Kuroda»