Dear Practo User.
Thanks for sending across your query.
HSV IgM indicates recent or active infection, while HSV IgG shows past exposure. Since your IgM is negative a week ago and exposure was a year back, an HSV IgG test can confirm if you had past infection.
Next Steps
For further details you can consult with me in Dr. Monga medi clinic or consult me directly by taking a consultation on Practo.