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Soap or Sanitiser? Which works better? During Corona Pandemic

Edited Version | Hyderabad | 30 Jun 2020

Following the outbreak of COVID-19 in several countries, various measures have been suggested to reduce the risk of infection. Cleaning one’s hands with an alcohol-based hand rub or washing them with soap and water is essential, as specified by WHO.

  • Why is this important?

  • The virus tends to be viable for long hours on different surfaces that are regularly touched with hands. Therefore, frequent washing is important.

  • So how does washing with soap help get rid of the coronavirus?

  • The grime on our hands contain innumerable viruses and bacteria. Washing hands without soap helps reduce the amount of microbes but does not remove most of the virus and bacteria completely. Therefore, using soap becomes far more effective in removing microbes.

    Viruses have their genetic material encased in a layer of fat called the lipid envelop. Soap molecules are pin-shaped with a head that is water-loving and a tail that is oil-loving. Being oil-loving, the tail portion of the molecule tends to have an affinity for and ‘competes’ with lipids in the virus envelop.

    Thus, soap and water together dissolve the viral bond and breaks the interaction between the virus and the skin surface Like soap, the alcohol present in hand sanitisers dissolves the lipid envelop, thus inactivating the virus.

    But, sanitisers are not as effective as soap and water.

    In order to be effective, sanitisers should contain at least 60% alcohol. Unlike soap lather, the alcohol does not come in contact with all parts of the hand. Sufficient use of sanitiser on the hand can increase the coverage.
    “ Hand sanitizer should only be an option when you don't have access to a sink “

    Hand sanitizers with an alcohol content that is greater than 62% can also destroy these lipid membranes, But they are ineffective against non-enveloped viruses, like norovirus and rhinovirus, which are variations of the common cold. Plus they provide none of the virus-destroying friction that rubbing your hands together and rinsing provides.

    Hand sanitizer poses three challenges.

  • There must be a high enough alcohol concentration to be effective .
  • The entire surface of the hands and fingers must be covered .
  • Skin irritation may occur. That's natural when rubbing something that is over 60% alcohol into your skin.

Soaps produce better results when hands are visibly dirty or greasy, unlike sanitisers.

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German10 Hospitals, Hyderabad is a forerunner in providing the highest standards in quality of healthcare in the country. Committed to excel across various specialities like orthopaedics, neurology, plastic and reconstructive surgery among others, German10 Hospitals houses the best with respect to medical talent and latest medical equipment.Our collaboration with German hospitals enables us to exchange synergies for medical consultation and also to stay abreast of latest in the field of medical technology and sophisticated equipment.

Apart from quality in healthcare and being at the front end of technological superiority, our ethos is that of a warm patient-centric approach. Our vision is to provide affordable medical care without compromising on the quality of care rendered.

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