-sneezing -sexual contact can transfer pathogens from one person to another,-if you have a cut or a break in your skin, microbes can gain direct access to your bloodstream,-by consuming contaminated food and drink.-if the pathogen goes airborne
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Mortality, or death rate is a measure of the number of deaths in a particular population, scaled to the size of that population, per unit of the time. In this case a factor that would result to an increased mortality rate in a population due to increased competition of water will be the density-dependent factor.