As Tang Mo's super battleship was being built, piece by piece, within the far reaches of the Empire of Nanla, a malaria outbreak was raging.
In the past, such events would occur every summer, and people were helpless against this deadly disease.
The assembly of any military force could potentially lead to an epidemic, and malaria was one such disease.
Once the size of a city expanded, various diseases would sometimes become prevalent, which was a significant hindrance to urban development.
The advent of Brunas led to a shift in perspective regarding cities for many countries; modern medicine made the existence of megacities possible.
Due to advancements in medical science, Great Tang Group started promoting the cultivation of cowpox, allowing vaccinators to be immune to smallpox for life.
Therefore, anyone working within the controlled regions of the Great Tang Group had to be vaccinated with cowpox, thereby ensuring the safety of the city residents.
