6 Little Known Effective Home Disinfectants for Covid-19

Posted on by Jesse Santiano, M.D.

 

The Covid-19 virus, also known as the SARS-CoV-2, has spread throughout six continents. There are now more than 94 thousand cases and more than 3,000 dead. The death rate or case fatality rate is currently 3.4%.

The elderly and the ones with medical problems like heart disease, lung disease, diabetes, and cancer are noted to be at risk of dying from the infection.

The US has an obesity rate of 40%. Obesity is associated with multiple medical problems. That said, there is a possibility that 40% of the US population is at risk of having a severe infection. It is critical to avoid getting the virus.

Coronavirus Transmission

The spread of Covid-19 is usually by droplet. The virus can stay on a surface for as long as 9 days. Touching a contaminated surface can easily reach the face as a study has shown that students touch their faces 23 times in an hour with contact mostly to the skin (56%), followed by mouth (36%), nose (31%), and eyes.

A higher temperature such as 30 degrees C 86 degrees F reduced the duration of persistence of highly pathogenic MERS. MERS is for Middle Eastern Respiratory Syndrome that causes an epidemic in the Middle East in 2012.

Shortage of Disinfectants

Many retailers and online stores have run out of disinfectant wipes. Alternatives to disinfectant wipes will be discussed here. Walgreens, CVS, and even Amazon are “out of stock.”

A review from the Journal of Medical Infection studied the disinfectants that were useful for the SARS and MERS coronaviruses. Since the Covid-19, also known as  SARS-CoV-2, is new, there is no published study specific to its disinfection. It is vital to look at the concentration since a more dilute formulation can be ineffective.

Another source for this article is UptoDate. UpToDate is a resource used by many doctors to stay current with medical practice. That being said, here is the list.

Disinfectants for Coronavirus

  1. Ethanol 62% to 71%
  2. Hydrogen peroxide 0.5%. 
  3. Sodium hypochlorite 0.1% to 0.5%. Use a dilution of 1:50 of standard bleach or 1 part bleach and 50 parts water.
  4. Hexachlorophene
  5. Glutaraldehyde 2%
  6. Povidone-iodine 1% – can stain. The typical store-bought concentration is 10%. Dilute it by adding 10 parts water to 1 part iodine

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Before making the dilutions, consider the initial concentration. The common household bleach is 5-6% sodium hypochlorite.

Less effective are:

  1.  0.04% benzalkonium chloride,
  2. 0.06% sodium hypochlorite and
  3. 0.55% ortho-phtalaldehyde

Not effective:

Coronaviruses were not killed by benzalkonium chloride or chlorhexidine unless 70% ethanol was added.

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