看的不細，但知道應該沒有關係。這是個弱化冠狀病毒以便作為疫苗的專利

文中提到的alpha，beta，gamma，delta是冠狀病毒的分類。與目前流行的delta變體無關。新冠病毒（SARS-CoV-2) 屬於beta冠狀病毒。參考Wikipedia

Coronaviruses form the subfamily Orthocoronavirinae,^[2][3][4] which is one of two sub-families in the family Coronaviridae, order Nidovirales, and realm Riboviria.^[42][69] They are divided into the four genera: Alphacoronavirus, Betacoronavirus, Gammacoronavirus and Deltacoronavirus. Alphacoronaviruses and betacoronaviruses infect mammals, while gammacoronaviruses and deltacoronaviruses primarily infect birds.^[70][71]

• Genus: Alphacoronavirus;^[66]
  • Species: Alphacoronavirus 1 (TGEV, Feline coronavirus, Canine coronavirus), Human coronavirus 229E, Human coronavirus NL63, Miniopterus bat coronavirus 1, Miniopterus bat coronavirus HKU8, Porcine epidemic diarrhea virus, Rhinolophus bat coronavirus HKU2, Scotophilus bat coronavirus 512
• Genus Betacoronavirus;^[67]
  • Species: Betacoronavirus 1 (Bovine Coronavirus, Human coronavirus OC43), Hedgehog coronavirus 1, Human coronavirus HKU1, Middle East respiratory syndrome-related coronavirus, Murine coronavirus, Pipistrellus bat coronavirus HKU5, Rousettus bat coronavirus HKU9, Severe acute respiratory syndrome–related coronavirus (SARS-CoV, SARS-CoV-2), Tylonycteris bat coronavirus HKU4
• Genus Gammacoronavirus;^[18]
  • Species: Avian coronavirus, Beluga whale coronavirus SW1
• Genus Deltacoronavirus
  • Species: Bulbul coronavirus HKU11, Porcine coronavirus HKU15

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• 謝謝吃教授！ -gweipwu- ♂ (53 bytes) () 08/06/2021 postreply 10:05:49