Laboratory tests conducted on urban wastewater by the National Network of Sewage Epidemiology show a significant rise in the average viral load in nine out of 11 cities inspected from June 13-19 over the previous week.
The samples collected showed a big jump of 237% in Aghios Nikolaos in Crete, 342% and 176% in Iraklio in Crete. They are followed by Xanthi (49%), Alexandroupoli (47%), Larissa (38%) and Thessaloniki 37%.
Volos, Attiki and Hania in Crete saw double-digit increases, of 24%, 17% and 15%, respectively.
In Patra, the viral load eased 33%, while it remained unchanged in Ioannina at 10%.