<s>[INST] Given an abstract text, please determine whether it contains any drug mentions. Provide a 'Yes' or 'No' answer based on the presence or absence of drugs. Abstract Text: Immunogenicity And Safety Of Heterologous Versus Homologous Prime-Boost Regimens With Adenoviral Vectored And Mrna Sars-Cov-2 Vaccine In Liver Transplant Recipients[/INST] Yes</s>