#berthablowsup US disease control agency says Covid-19 level in Singapore ‘unknown’ in updated travel notice Byberthahenson Published January 5, 2022 Flipboard Reddit Pinterest Whatsapp Whatsapp Email Story link Shouldn’t some clarification on this be added to the story. Is it ‘unknown’ or what is known? What data is the US looking for exactly? In this article: Written By berthahenson An ex-journalist who can't get enough of the news after being in the business for 26 years Further reading