Under what conditions—assuming no new epidemics—could infectious diseases suddenly move to the second, or even first, most common cause of deaths in the United States? Do you think humans will ever...

Under what conditions—assuming no new epidemics—could infectious diseases suddenly move to the second, or even first, most common cause of deaths in the United States?

Do you think humans will ever win the battle against disease-causing bacteria? Why or why not? Is the use of warlike language to describe the relationship between humans and bacteria even accurate?