idk
what's the definition of epidemic ?
A sudden and rapid deterioration of diseases and health conditions occurs in a region or community, with a number of cases exceeding expectations. It quickly affects a large population.
whats different between virus and bacteria
Bacteria are single-celled organisms capable of independent reproduction, while viruses are non-living infectious pathogens.
The deadliest epidemic (The epidemic that caused the most deaths.)
Plague of Justinian (black death)
totally caused 15–100 million deathes, this epidemic is cause by Yersinia pestis
The first virus completely eradicated by humans.
variola virus, treat by vaccine
The last death occurred in October 1977.
whats different between epidemic and pandemic
An epidemic refers to a disease that spreads rapidly within a specific region, while a pandemic refers to a disease that spreads to multiple countries.
whats the super spreader /Superspreading event mean in Epidemiology
The transmission speed is far faster than usual; super-spreaders are individuals with exceptionally high infectivity. Most super-spreading events occur in large gatherings of people.
whats the virus caused the covid-19?
SARS-CoV-2
whats index case ( Patient Zero) mean in epidemiology
Patient Zero refers to the first case of a disease spreading among a population.