How a father’s love and a pandemic created a household name

[Jawahir Al-Naimi/Al Jazeera]

For most people, memories of childhood coughs and colds are synonymous with a menthol-smelling ointment in a dark blue jar with a turquoise cap.

For more than a century, Vicks VapoRub has been a household name across continents. How it became one has roots in the Spanish flu pandemic in the early 20th century.