Thessaloniki: Mild increase in the viral load of sewage

A mild upward trend in the secretion rate of the SARS-CoV-2 viral load in the urban waste of Thessaloniki is recorded in the most recent measurements for the research, which is carried out by the Wastewater Epidemiology Group of AUTH with EYATH, in collaboration with the Region of Central Macedonia and in framework of the National Network of EODY.

As can be seen in the following diagrams presented by the RES-MPE (attached), the values ​​of the viral load fluctuate at a level corresponding to the period in mid-August, while the Wastewater Epidemiology Group of the AUTH notes that for the month of October a development is expected flare-up as the weather worsens, the temperature drops and the humidity increases and at the same time there is more use of indoor spaces.

Specifically, in the samples taken daily at the entrance of the Thessaloniki wastewater treatment facility, regarding the rationalized values ​​of relative viral load secretion, the average value of the two most recent measurements, that is, Tuesday 11/10/2022 and Wednesday 10/12/2022 is:

-Stable (+3%) compared to the average value of the two immediately preceding measurements of Sunday 09/10/2022 and Monday 10/10/2022.

-Marginally increased by 28% compared to the average price of the previous Tuesday 04/10/2022 and Wednesday 05/10/2022

The average weekly freight price – from Thursday to Wednesday – rose marginally by 25%.

The methodology for assessing the coronavirus in urban waste, developed by the AUTH team, rationalizes the concentration measurements of the virus genome based on 24 environmental factors, which can alter the results of the measurements.

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