It's possible, but not usual.
What was your exposure? Are you talking about oral sex, intercourse, something else? If you tell me your risk, I'll be better able to help answer how likely this is to be herpes.
Since you have blisters that haven't scabbed yet, get to a doctor and ask for them to do a PCR swab on them. It's more sensitive than a regular culture and can be done even on a scab.
Let us know what happens.