niman

Early release MMWR embargoed until 1 PM

MMWR embargoed until 1 PM

Many cases now will have more probable causes due to flu and other respiratory diseases so need high index of suspicion for infection and vaping

Case definition more complicated due to higher frequency of respiratory inflections now

Readmissions - don't know if restarted vaping

Index of suspicion should include vaping in patients with other infections such as flu

Recommend flu testing as part of initial workup

May be multiple causative agents

Many products and intervening actors

May have multiple causes for diseases being seen

Vit E in 47% of 225 THC products

Reminder on getting flu vaccine

Handful (<5) of cases readmitted

Vitamin E acetate in 47% of THC products

Vitamin E acetate in first 30 samples range is 23-88% Vitamin E acetate

First 28 samples THC range 13-77% mean of 41%

75 nicotine and 225 THC products tested so far

Testing on over 300 so far (from 18 of 23 states that have samples from)

Over 725 samples collected by FDA

May be more than one cause or source (may be regional differences)

Cannot rule out nicotine only since they represent 13% of cases

FDA investigation NOT limited to THC linked cases

No single product linked to all cases

FDA talking broad search

Not seeing meaningful drop in new cases