Here is a dump of some other studies proving ADE occurs in animal models for SARS-COV viruses. (there are loads more this is just a select group)
Caution raised over SARS vaccine
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7094954/
Evasion of antibody neutralization in emerging severe acute respiratory syndrome coronaviruses
https://www.pnas.org/content/pnas/102/3/797.full.pdf
A Double-Inactivated Severe Acute Respiratory Syndrome Coronavirus Vaccine Provides Incomplete Protection in Mice and Induces Increased Eosinophilic Proinflammatory Pulmonary Response upon Challenge
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3209347/pdf/zjv12201.pdf
The potential danger of suboptimal antibody responses in COVID-19
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7187142/pdf/41577_2020_Article_321.pdf
Antibody-dependent SARS coronavirus infection is mediated by antibodies against spike proteins
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7092860/pdf/main.pdf
Prior Immunization with Severe Acute Respiratory Syndrome (SARS)-Associated Coronavirus (SARS-CoV) Nucleocapsid Protein Causes Severe Pneumonia in Mice Infected with SARS-CoV
https://www.jimmunol.org/content/jimmunol/181/9/6337.full.pdf
Immunodominant SARS Coronavirus Epitopes in Humans Elicited both Enhancing and Neutralizing Effects on Infection in Non-human Primates
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7075522/pdf/id6b00006.pdf
Immunization with SARS Coronavirus Vaccines Leads to Pulmonary Immunopathology on Challenge with the SARS Virus
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3335060/pdf/pone.0035421.pdf
Thank you!