My research and anecdotes indicate that (especially edible) cannabis prevents, treats, and aids in the recovery of Kung Flu Phlegming. It’s all central to cannabis’ role in homeostasis. Some posters here have also reported alleviated symptoms after ingesting some. I have personally never caught it (unless I am one of the over 60% of the world population who are asymptomatic in its presence). Your mileage may vary. At the end of the day, trust in your own research.


COVID-19 and Cannabidiol (CBD)
COVID-19 pandemic has resulted in devastating mortality and morbidity consisting of socioeconomic and health effects that have included respiratory/pulmonary, cardiovascular, mental health and neurological consequences such as anxiety, depression,...


Cannabis/Cannabinoids for Treating COVID-19 Associated Neuropsychiatric...
COVID-19 epidemic has resulted in devastating mortality and morbidity consisting of socioeconomic and health effects that have included respiratory/pulmonary, cardiovascular, mental health and neurological consequences such as anxiety, depression,...


Implications of Cannabis and Cannabinoid Use in COVID-19: Scoping Review -...
the use of inhaled cannabis increases the progression and severity of the infection. On the other hand, the benefits of cannabinoids seem promising to modulate the immune system, but it needs further studies.


The COVID-19 cannabis health study: Results from an epidemiologic assessment...
Background: Clinical indications for medicinal cannabis include chronic conditions; thus users (MCUs) are at an increased risk of morbidity and mortality resulting from SARS-CoV-2 infection (COVID-19). The study aimed to provide data on cannabis use...


Cannabis for COVID-19: can cannabinoids quell the cytokine storm?


Cannabinoids Block Cellular Entry of SARS-CoV-2 and the Emerging Variants -...
As a complement to vaccines, small-molecule therapeutic agents are needed to treat or prevent infections by severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) and its variants, which cause COVID-19. Affinity selection-mass spectrometry was...
https://covid19.nih.gov/news-and-stories/early-studies-suggest-cbd-may-help-prevent-covid19