Hygiene Management // Surface Disinfection

Disinfecting COVID-19 Rooms

Droplets, contact surfaces or aerosols? Not all transmission routes of SARS-CoV-2 have yet been clarified. The good news is: For disinfecting COVID-19 single rooms, products with the “limited virucidal” efficacy spectrum and the RKI procedure remain the first choice.

Like other coronaviruses, SARS-CoV-2 viruses can survive anywhere between a few hours and several days. Apart from droplet infection and direct transmission via contaminated hands, indirect contact transmission via viruses on inanimate surfaces also plays a role. Mathematical and animal models and intervention studies on SARS-CoV and MERS-CoV even suggest that the transmission of the viruses via contact surfaces is an important route.

This brings surface disinfection to the fore as an important prevention measure. Especially in the single rooms for COVID-19 patients, regular surface disinfection must be ensured.

Recommendations from the Robert Koch Institute for surface disinfection:

  • Disinfect surfaces close to the patient and surfaces with frequent hand contact such as door handles, bedside table, sanitary cubicle by wiping – if necessary, disinfection should be extended.
  • Frequency: daily or targeted in case of contamination

Recommendations from the Robert Koch Institute for products for surface disinfection:

Surface disinfectants should at least have a proven efficacy in the area of the “limited virucidal” agent (effective against enveloped viruses). Products with extended effectiveness against viruses such as “limited virucidal PLUS" or “virucidal” can also be used.

In this context, the RKI refers to the VAH list or the list of disinfectants and disinfection procedures tested and approved by the RKI (RKI list).

Download PDF info graphic

Otter JA et al. Transmission of SARS and MERS Coronaviruses and Influenza Virus in Healthcare Settings: The Possible Role of Dry Surface Contamination. J Hosp Infect, 92 (3), 235-50 Mar 2016

More articles:
„Hygiene in context with Corona“
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