Johnson & Johnson announces that Janssen’s COVID-19 investigational vaccine candidate prevents severe clinical disease in pre-clinical studies

September 8, 2020
Johnson & JohnsonJanssen’s lead SARS-CoV-2 investigational vaccine candidate, Ad26.COV2.S, prevented severe clinical disease in Syrian golden hamsters, upon challenge with SARS-CoV-2, the virus that causes COVID-19 in people. The data, published in Nature Medicine, demonstrated that the Company’s investigational adenovirus serotype 26 (Ad26) vector-based vaccineJanssen’s lead SARS-CoV-2 investigational vaccine candidate, Ad26.COV2.S, prevented severe