As a result of Guenole's positive test and subsequent death, up to 21 staff at Grey Base Hospital are now in isolation as a precautionary measure.
A total of 514 people in New Zealand are now either a confirmed or probable case of Covid 19 as of yesterday, authorities said.
Prime Minister Jacinda Ardern yesterday called Guenole's death "devastating" and acknowledged how that again showed the gravity of the situation right now.
"Today's death is a reminder of the fight we have on our hands," Ardern said.
"Stay at home, break the chain and save lives."
Grey District mayor Tania Gibson also paid tribute to the woman and her family - and acknowledged how the heartbreaking news had also impacted the local community.
"It's come as a big shock to our community," Gibson said.