The sars-cov-2 or covid-19 has all of the following emergency use authorization (eua) vaccines available in the johnson. Hence the correct option is b.
The SARS-CoV-2 or COVID-19 vaccines that have received Emergency Use Authorization (EUA) in the United States include Pfizer-BioNTech and Johnson & Johnson, among others. However, the statement indicates an exception, and in this context, the exception is Johnson & Johnson.
While Pfizer-BioNTech has been authorized for emergency use, Johnson & Johnson's COVID-19 vaccine has also received EUA, contrary to the implication in the question. Therefore, the correct response is that all the listed options, including Johnson & Johnson, have emergency use authorization in the United States. Hence the correct option is b.