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An Italian grandmother who survived the Spanish Flu pandemic 100 years ago has become the world’s oldest person to overcome coronavirus.

104-year-old Ada Zanusso's recovery against the deadly bug was praised by her doctors as a "sign of good hope".

The mum-of-four caught Covid-19 at the nursing home where she lives in Biella, in northern Italy - with 20 other residents having been killed in the outbreak.

Ada became ill on March 17, developing a fever as well having trouble breathing and being sick before she officially diagnosed.

Her son Giampiero said he had suspected his mum had the disease due to the high volume of cases at her care home.

“They have sadly had a few fatalities there," he told the Sun.

“But she has now recovered well and the doctors think she is the oldest person in the world to recover.”

(Image: Getty Images)

As a small child Ada had seen of the Spanish flu which killed around 50 million across the globe.

There is no universal consensus where that pandemic actually started but close to one third of the world's population became infected - or 500 million people.

The death rate was highest in people younger than 5 years old, 20-40 years old, and 65 years and older.

Ada's doctor Carla Furno Marchese said the grandmother is "up and about" and has "lost none of her lucidity and intelligence".

Two female patients, each one year younger than Ada, have also survived the bug.

(Image: Henry Phillips / SWNS.COM)

Those are Zhang Guangfen of the Chinese city Wuhan, where the virus started at the end of last year, and an unnamed Iranian woman.

Meanwhile, great-grandmother Rita Reynolds is understood to be the oldest person in Britain to have survived.

The 99-year-old, from Liverpool, tested positive last month and her family feared the worst before she bounced back.