Heart attack risk may heighten when someone is fighting off flu – study

New study links flu to an increased risk of heart attack (Yui Mok/PA)

People who get flu have a higher risk of heart attack for a week after they have been diagnosed with the virus, a new study suggests.

Experts said that the risk can be as much as six times higher in the seven days after a person tests positive for the virus compared with the year before or afterwards.