Pfizer, Valneva unveil phase 2 proof that Lyme disease shot is still effective for 2nd booster 0 03.09.2024 11:31 Fiercebiotech.com Pfizer, Valneva unveil phase 2 proof that Lyme disease shot is still effective for 2nd booster jwaldron Tue, 09/03/2024 - 04:31