The observed risk of naive infection continues to outweigh the possible risks of the vaccine. The long-term effects of both are still being studied. In fact, several treatments that were granted emergency use authorization have been revoked [1], because on the balance, they were not effective enough to justify the authorization.

[1] https://en.wikipedia.org/wiki/Emergency_Use_Authorization#Us...

What do you mean by "continuation of emergency use authentication??". They're all fully approved by the FDA by now [0]:

https://www.hopkinsmedicine.org/health/conditions-and-diseas...

As I understand, Pfizer got Comirnaty approved, but virtually no one has been administered Comirnaty still.

FDA continues to re-issue EUA, first issued under Trump, which shields liability and allows use without studies of effectiveness.

Scroll down this URL and read some of the EUAs. https://www.fda.gov/emergency-preparedness-and-response/mcm-...

"On October 19, 2022, having concluded that revising this EUA is appropriate to protect the public health or safety under section 564(g)(2) of the Act, FDA is reissuing the September 12, 2022 letter of authorization in its entirety to authorize the use of Novavax COVID‑19 Vaccine"