South Korea is now selling a new nose-only Covid-19 mask that allows people to eat and drink while covering their noses, but it has also become the topic of criticism among netizens. – Advertisements – According to The Guardian, the mask, named ‘Kosk’ – a combination of the Korean word ‘ko’ (nose) and ‘mask’, was … Continue reading South Korea’s COVID-19 ‘kosk’ mask raises doubts over its effectiveness