We've published more than 11,000 pages of calendars of CDC Director Redfield from March 2018 to March 2019: americanoversight.org/cdc-calendars-…
Around the same time that Trump eliminated the NSC pandemic office, Redfield was attending a symposium commemorating the 100th anniversary of the Spanish flu. Here are some of the presentations from that symposium. 
Here's a prewritten answer about Redfield's priorities from an October 2018 health summit: "Globally, I’m deeply concerned about pandemic and seasonal flu.”
The CDC calendars also contain indications that a regular flu/pandemic briefing had been held monthly in 2018 and then switched to quarterly in early 2019.
