noun
- Plural of cholera; instances or cases of the infectious disease cholera, or different types of cholera.
Usage: Cholera is typically used as a mass noun (uncountable), but the plural form 'choleras' may appear in medical or historical contexts when referring to multiple outbreaks, strains, or cases.
Examples
- The 19th century saw several devastating choleras sweep through European cities.
- Different choleras caused by various Vibrio cholerae strains have been documented throughout history.
- Public health officials studied the choleras of the past to prevent future epidemics.
- The choleras that occurred in London in the 1800s led to major advances in sanitation.
- Researchers compared the choleras from different regions to understand transmission patterns.