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Virus Prevention 101

We are all becoming much more educated about viruses these days. Here is a basic rundown on the biology of this microorganism that will help dispel some of the myths about this invisible threat and help control its spread.

  • All viruses—including coronavirus—are not living organisms. They are a protein molecule (RNA) covered by a protective layer of lipid (fat). When virus molecules are absorbed by the cells lining the eye, nose, or mouth, they are like parasites. The RNA is able to replicate (multiply) inside the cell and become aggressive in the body.
  • Since a virus is not a living organism but a protein molecule, when it lands on non-biological surfaces, it is not killed but decays on its own. The disintegration time depends on the temperature, humidity, and type of material where it lies.
  • The virus is very fragile; the only thing that protects it is a thin outer layer of fat. That is why any soap or laundry detergent can easily destroy it. The foam cuts through the fat, which is why you have to scrub vigorously—20 seconds or more—and make a lot of foam when you wash your hands. By dissolving the fat layer, the protein molecule disperses and breaks down on its own.
  • Heat melts fat. This is why it is best to use water hotter than 77 degrees Fahrenheit for washing hands, clothes, and anything that has come in contact with the virus. In addition, hot water makes more foam and that makes it even more effective.
  • Alcohol or any mixture with a concentration of alcohol over 65% dissolves any fat, especially the external lipid layer of the virus.
  • Any mix with one part bleach and five parts water directly dissolves the virus protein by breaking it down from the inside.
  • Oxygenated water (peroxide) is effective long after soap, alcohol, and chlorine, because peroxide dissolves the virus protein. But peroxide damages skin if used undiluted, and it is not effective if you dilute it.
  • ANTIBIOTICS DO NOT WORK. The virus is not a living organism like bacteria. Antibiotics (bactericides) cannot kill viruses.
  • Never shake used or unused clothing, sheets, or cloth. Shaking the fabric or using a feather duster on surfaces releases the virus molecules into the air where they can float for up to 3 hours and lodge in your nose.
  • Virus attached to a porous surface disintegrates at different rates depending on the material:
    • Fabric and porous surfaces: 3-6 hours
    • Copper and wood: 4 hours
    • Cardboard: 24 hours
    • Metal: 42 hours
    • Plastic: 72 hours
  • The virus molecules remain very stable in cold air, including air conditioners in houses and cars. They also need moisture and darkness to stay stable. Therefore, the virus will degrade faster in dehumidified, dry, warm, and bright environments.
  • UV light (such as sunlight) shining on any surface that may contain the virus will break down the virus protein. Sitting objects in the sun can disinfect them. Be careful, though: UV light also breaks down collagen (which is protein) in the skin.
  • The virus cannot pass through healthy skin.
  • Vinegar is not a useful cleaning solution, because it does not break down the protective layer of fat.
  • No alcoholic beverages are effective cleaning solutions. The strongest, vodka, contains only 40% alcohol, and you need 65%.
  • The more confined the space, the more concentrated the virus can be in the air. The more open or naturally ventilated, the better. Outdoor spaces are best.
  • You must wash your hands before and after touching your face, nose, or mouth as well as after touching food, locks, doorknobs, switches, remote control, cell phone, watches, computers, desks, TV, credit card pin pads, and after using the bathroom.
  • Stay hydrated. Drinking warm water is best. Try not to drink liquids with ice.
  • Use moisturizer on your hands, because your skin gets dry from so much washing. Virus molecules can hide in the micro cracks of dry skin. The thicker the moisturizer, the better.
  • Keep your nails short so that the virus cannot hide under there.
  • Wearing a mask in public can decrease the spread of coronavirus. A mask will keep infected droplets from landing on your nose or mouth where they can infect you.
  • According to the Centers for Disease Control and Prevention (CDC), the spread of COVID-19 can be reduced when masks are used along with other preventive measures, such as social distancing, frequent handwashing, and cleaning and disinfecting frequently touched surfaces.

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