Novavax's NanoFlu vaccine beat Sanofi's Fluzone HD in seniors in a midstage test, setting up the smaller company's shot for a move into phase 3.

Here is some other vaccine news of note for the week.

Instead of launching their new combination pediatric shot now, Sanofi and Merck will spend this year building up supplies for a 2020 rollout.

Here is some other vaccine news of note for the week.

As tests by Hong Kong's health department and Sanofi showed no quality problems, Sanofi's Vaxigrip has been cleared for use.

Here is some other vaccine news of note for the week.

Since GSK pulled LYMErix in 2002, there's been no FDA-approved Lyme shot, and Valneva's VLA15 is the only active clinical program.

After a horrible flu season last year, more people have gotten vaccinations so far this year, according to the CDC.