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As microorganisms, in particular bacteria, are found virtually everywhere, harmful microorganisms may be reduced to acceptable levels rather than actually eliminated. In food preparation, microorganisms are reduced by preservation methods such as cooking, cleanliness of utensils, short storage periods, or by low temperatures.
Pathogenic bacteria are bacteria that can cause disease. [1] This article focuses on the bacteria that are pathogenic to humans. Most species of bacteria are harmless and many are beneficial but others can cause infectious diseases. The number of these pathogenic species in humans is estimated to be fewer than a hundred. [2]
Vaginal microbiota including some Lactobacillus species protect the vagina from harmful pathogens. [10] They convert glucose to lactic acid and this acidic environment kills harmful pathogens. The vaginal microbiota in pregnancy varies markedly during the entire time of gestation. The species and diversity of the microorganisms may be related ...
Most people who ingest harmful bacteria do not get sick, as their immune systems are able to fight off the harmful microorganisms. 10. You can successfully eliminate most of the risk with careful ...
Humans can be infected with many types of pathogens, including prions, viruses, bacteria, and fungi, causing symptoms like sneezing, coughing, fever, vomiting, and potentially lethal organ failure. While some symptoms are caused by the pathogenic infection, others are caused by the immune system's efforts to kill the pathogen, such as ...
These harmful algal blooms are more likely to be produced at a dangerous amount when there is an excess of nutrients, the temperature is 20 °C, there is more light, and calmer waters. [17] Eutrophication and other contamination can lead to an environment that promotes cyanobacteria blooms . [ 17 ]
A human pathogen is a pathogen (microbe or microorganism such as a virus, bacterium, prion, or fungus) that causes disease in humans.. The human physiological defense against common pathogens (such as Pneumocystis) is mainly the responsibility of the immune system with help by some of the body's normal microbiota.
1 List of useful microorganisms used in preparation of food and beverage. 2 See also. 3 References. ... This page was last edited on 11 December 2024, at 08:10 (UTC).