Respiratory viral infection (RSV) and low vitamin D - many studies | VitaminDWiki
3.3 X more likely to die if infected with SARS-Cov-2 plus a second pathogen – meta-analysis May 2021 | VitaminDWiki
Lyme Stats on Twitter: "Chlamydia pneumonia, a known co-infection of #LymeDisease Difficult to kill, causes illness. https://t.co/lWY6pfG3M6 http://t.co/TiUh9zkIso" / X