Microbiologist: ‘Disinfection is highly exaggerated’ Abroad


That says professor of microbiology Emanuel Goldman in an article in The Lancet. According to Goldman, the virus can only survive on an object if it has either been ‘applied’ in very large numbers or in a so-called buffer liquid. And those conditions, created by scientists in several previous studies to study the virus, do not occur in everyday life. A cough or sneeze contains only a fraction of the amounts of virus used in a laboratory.

A test in ‘real-life conditions’ with the Covid-19 related sars virus was already a disappointment in 2004, Goldman said. “Attempts to have a surface contaminated by a patient came to nothing: there was no intact virus.”

The cleaning rage that led to queues at supermarket trolleys and extra deployment of cleaning staff in various office buildings, according to Goldman, has been a greatly exaggerated reaction. “Contamination via a surface is only possible if an infected person coughs or sneezes on it and another person touches that surface within one to two hours, and the chance is still very small. We must be careful that the measures do not become counterproductive. ”

The World Health Organization (WHO) recently had to acknowledge that there is not one documented case of corona contamination through an object, but continues to insist on ‘err on the side of caution’. As long as there are cases where it is not known how someone has become infected, the WHO will continue to deem contamination through an object.


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