Vaccines required for K-1 Visa AOS

[Hopeful76 2]

Trying to get a definitive answer on whether or not the entire series of a vaccine is required for K-1 visa AOS, or if just the initial dose .. and also who if anyone is currently getting an RFE for not having a flu shot ... My fiance (27 yrs old) got the initial doses only of Tdap, MMR, Varicella, and Hep B on 3-8-24 at St Lukes in Manila,  and they marked that she had "voluntarily completed vaccine requirements" on page 2.   We want to apply for adjustment of status within the next few months and wondering what exactly is required by USCIS.

[J.M. 107]

The initial dose is all that is mandatory.  From the USCIS website:

 

Q. Certain vaccine series can only be completed with multiple visits to the civil surgeon. Am I required to complete the entire series before the civil surgeon can sign the Form I-693?
A. You are only required to receive a single dose of each vaccine when you visit the civil surgeon. You are encouraged to follow up with your private health care provider to complete the series.

 

Flu shots are only given when in-season and available.  Since yours in marked "complete" I wouldn't anticipate an RFE.