The best protection against bacteria is
temperature and good food handling.
To prevent them from growing:
Temperatures below 5 ºC or above 57 ºC
as these kill the bacteria
To avoid killing them: it is subjected to a
temperature of 77 ° C for 30 seconds.
Moisture.
Temperature.
Acidity or alkalinity.
Oxygen.
Time.
Under ideal conditions for
growth bacteria can double
in number every 15 or 30
minutes.
Parasites
They are organisms that survive inside another
organism, this organism is called host. Human
parasites are usually very small and can be killed
by cooking properly or freezing.
Viruses
Viruses are smaller than bacteria, can not
reproduce or multiply unless they are inside a
living cell, but can be transported on any
surface and survive days or even months. Viral
diseases transmitted by food are caused by
contamination of people or in the case of
seafood by contaminated water