Economic productivity would decline.
endemic
the effects of a flu pandemic don't need to be lethal because the meaning of the word pandemic is that the disease is spreading fast on a global scale.
some countries in Africa have a pandemic of Ebola disease
A pandemic is an outbreak of a disease that occurs over a wide geographic area and affects an exceptionally high proportion of the population. The disease involved is typically contagious and spreads easily from person to person.
PANDEMIC
leprosy is a pandemic disease
A pandemic is a widespread epidemic - which hits a wide geographical area and affects a large amount of the population.
A pandemic disease is an infectious disease that spreads across multiple countries or continents, affecting a large number of people. It typically occurs when a new pathogen emerges to which the population has little or no immunity. One example of a pandemic disease is COVID-19, caused by the novel coronavirus SARS-CoV-2, which led to widespread illness and significant global disruption starting in late 2019.
disease
A pandemic
An epidemic is the widespread occurrence of a disease within a specific community, population, or region. A pandemic, on the other hand, is a global outbreak of a disease that spreads across multiple countries and continents. The key difference is the scale and geographic spread of the outbreak.