Mod­er­na says Omi­cron-spe­cif­ic boost­er bet­ter than cur­rent shot, aims for late sum­mer ap­proval

Ear­ly one-month da­ta sug­gest that an Omi­cron boost­er vac­cine is more ef­fec­tive than the cur­rent Mod­er­na shot, the com­pa­ny an­nounced Wednes­day morn­ing.

In a Phase II/III tri­al with over 700 par­tic­i­pants, the bi­va­lent vac­cine — made with Spike­vax, the orig­i­nal Mod­er­na shot, and an Omi­cron-tar­get­ing com­po­nent — was bet­ter at neu­tral­iz­ing both the Omi­cron and an­ces­tral Covid strains at one month com­pared to Spike­vax alone.

Unlock this article instantly by becoming a free subscriber.

You’ll get access to free articles each month, plus you can customize what newsletters get delivered to your inbox each week, including breaking news.

SIGN UP LOG IN BECOME A PREMIUM SUBSCRIBER