Spike protein

Testing on raw sewage in Athens shows a steep spike in Covid-19 infections over the holiday season, an expert said on Tuesday.

Tests on urban wastewater showed a rise in the presence of the virus that causes Covid in nine out of the 10 regions being monitored across the country in the July 31 to August 6 period, according to the weekly bulletin issued by the National Organization for Public Health (EODY) on Thursday.