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Sterilization. Sterilization destroys all microorganisms. Critical devices must be sterile when used.
Does heat kill germs? According to World Health Organization, temperatures of at least 140 degrees Fahrenheit (60 degrees Celsius) are enough to kill most viruses. Boiling water can kill off the bacteria on food and running your dishwasher is enough to sterilize your dishes from germs.
Ethyl alcohol (70%) is a powerful broad-spectrum germicide and is considered generally superior to isopropyl alcohol.
Studies have shown that antibacterial soaps are not necessarily more effective than plain soap and water for killing the bacteria and viruses that cause diseases. Germs attach to the oils on our skin. Solvents like alcohol, kerosene, or soap can clear those oils and thereby remove illness-causing bacteria.
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The world's last line of defense against disease-causing bacteria just got a new warrior: vancomycin 3.0. Its predecessor—vancomycin 1.0—has been used since 1958 to combat dangerous infections like methicillin-resistant Staphylococcus aureus.
Acetic acid (vinegar) is an effective mycobactericidal disinfectant that should also be active against most other bacteria. These findings are consistent with and extend the results of studies performed in the early and mid-20th century on the disinfectant capacity of organic acids.
Hydrogen peroxide is active against a wide range of microorganisms, including bacteria, yeasts, fungi, viruses, and spores 78, 654. A 0.5% accelerated hydrogen peroxide demonstrated bactericidal and virucidal activity in 1 minute and mycobactericidal and fungicidal activity in 5 minutes 656.
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"It was found that cola has a strong antibacterial effect on Bacillus cereus, Enterococcus faecalis, Escherichia coli, Escherichia coli O157:H7, Salmonella enteritidis, [and] Yersinia enterocolitica bacteria," the paper said.
You can also keep bad bacteria away by consuming foods that contain good bacteria. This includes probiotics like yogurt, kefir, pickles, sauerkraut and other fermented foods, all of which contain beneficial bacteria that can keep bad, disease-causing bacteria in check.
Hydrogen Peroxide & Peracetic Acid
Several combination hydrogen peroxide/peracetic acid products are cleared by the FDA as disinfectants in health care settings. Combining peracetic acid with hydrogen peroxide increases its effectiveness, especially against glutaraldehyde-resistant mycobacteria.
To disinfect, use an EPA-registered disinfecting product or a stronger bleach solution. Clean the surface with soap and water first. Always read the label of disinfecting products to make sure the products can be used on the type of surface you are disinfecting (such as a hard or soft surface).
Like hand soap, dish soap does not kill bacteria, but it lifts them off surfaces to be washed away by water. Dishes should be washed and scrubbed in soapy water, rinsed with water and finally soaked in water containing germ-killing sanitizers before drying them off.
Both rubbing alcohol and hydrogen peroxide can be effective disinfectants, as they kill bacteria, viruses, and fungi. You can use them on many surfaces in your home.
But note that botanical disinfectants may not work as quickly or thoroughly as bleach, quats or alcohol. Household vinegar, for instance, is a popular botanical disinfectant, but it's not nearly as effective at killing germs as bleach or alcohol.
Antibiotics. Antibiotics are used to treat or prevent some types of bacterial infection. They kill bacteria or prevent them from reproducing and spreading.
Strains of pathogens that've developed resistance to multiple drugs are the hardest to get rid of. Infections like MRSA and CREs are often resistant to more than one type of antibiotic, so finding one that's effective (or a combination of medications that work together) can be challenging and take a long time.
There is no evidence that antibacterial soaps are more effective than plain soap for preventing infection under most circumstances in the home or in public places. Therefore, plain soap is recommended in public, non-health care settings and in the home (unless otherwise instructed by your doctor).
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