"Eating meat, especially fatty cuts, can cause people to snore because the high protein content and saturated fats trigger phlegm production," Ashleigh said.

Source: https://www.thescottishsun.co.uk/health/10807627/snoring-foods-to-avoid-night/

'If your phlegm is rusty or blood stained you should see a healthcare professional urgently.'

Source: https://www.dailymail.co.uk/wellness-uk/article-12904219/What-colour-phlegm-REALLY-means.html?ns_mchannel=rss&ns_campaign=1490&ito=1490

Medical experts have listed a sore throat, runny or blocked nose, cough (with or without phlegm), and headaches as typical features of the new strain.

Source: https://www.walesonline.co.uk/news/wales-news/covid-latest-symptoms-testing-information-27643073