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Coronavirus

Transparent mask raises comprehension of speech by 10%: Study

"The difference of 10 percentage points (between the latter two averages) is statistically significant. This benefit applies to more than just comprehension: the participants also felt more self-confident and were able to follow what was said with less effort when the see-through mask was used,"

Polish Health Minister warns of possible 4th wave

Talking to Radio Plus on Tuesday, Niedzielski said that he expects a surge of cases similar to the one that is taking place in the UK, where the Delta variant has caused rising infection numbers, reports Xinhua news agency.