1973: An outbreak of common colds at an Antarctic base after seventeen weeks of complete isolation
Six of 12 men wintering at an isolated Antarctic base sequentially developed symptoms and signs of a common cold after 17 weeks of complete isolation.
I *THINK* it mentioned chemtrails, but can't find it now.
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2130424/
An outbreak of common colds at an Antarctic base after seventeen weeks of complete isolation
Six of 12 men wintering at an isolated Antarctic base sequentially developed symptoms and signs of a common cold after 17 weeks of complete isolation. Examination of specimens taken from the men in relation to the outbreak has not revealed a causative ...
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2130424/17 weeks?