new vaccine issues tonight. j&j being forced to j and jnks being forced to destroy 670 million doses and more concern about break-through infections as almost 173 million americans have received at least one vaccine dose. here's miguel alma dweer. >> reporter: tonight the fda says some 60 million doses of johnson & johnson's vaccine made at this baltimore plant must be destroyed, citing earlier contamination problems, u.s. regulators had already pulled aside the viles in question. now deemed not suitable for use. as j & j continues manufacturing, tonight two break-through cases on a royal caribbean cruiseship.