Health

Can monkeypox virus be spread by surface contact?


According to a study published in Euro Monitoring.

During outbreaks of monkeypox cases outside of known endemic areas, transmission is primarily by close contact with people with symptoms.

‘Using products with the least antiviral activity against enveloped viruses such as Monkeypox virus can reduce surface-borne viruses and therefore the risk of nosocomial transmission.’

Although human-to-human transmission of the virus has been described previously, data on environmental contamination of surfaces are scarce.

Patient room for environmental sampling

The researchers scanned surfaces in adjoining and adjoining rooms of two monkeypox patients hospitalized in Germany. The patient’s isolation rooms are separated from the hospital’s corridors by the front rooms, where the hospital staff put protective equipment (wearing and changing bandages).

Infection of up to 105 virus copies/cm2 on inanimate surfaces was estimated by PCR, and viruses were successfully isolated from surfaces with more than 106 copies. Fabrics such as towels, shirts, or pillowcases that the patient uses frequently also show signs of infection.

Viral infection is not equal to infectious virus

The authors emphasize that there are currently no definite data on the viral dose leading to monkeypox infection in humans. However, it is assumed that significantly higher doses are needed to trigger infection than with variola virus.

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Despite high infectivity up to 105 cp/cm2 as well as successful recovery of monkeypox virus from samples totaling >106 copies, our findings do not demonstrate that infection can occur. in contact with these surfaces.

Preventing the spread of the virus from symptomatic patients should be individualized. Disinfect hand skin contact points frequently during care in addition to regular room cleaning and surface disinfection.

Source: Medindia

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