Allens
2019-02-07 11:06 pm
| Sydney
Pharmaceutical giant Wyeth has shot down arguments by rival Merck Sharp & Dohme that its Prevnar 13 vaccine lacked inventiveness, saying during the closing submissions of a high-stakes patent trial that up until it developed the top-selling shot scientists thought there was a “ceiling” of 11 types of pneumococcal bacteria that could be included in a single vaccine.