The fact that polio is caused by fecal-oral transmission coupled with the fact that public swimming pools weren't treated with any kind of disinfectant at the time kind of demonstrates the infection vector.
They changed multiple variables but only credited a single variable.
The fact that polio is caused by fecal-oral transmission coupled with the fact that public swimming pools weren't treated with any kind of disinfectant at the time kind of demonstrates the infection vector.
They changed multiple variables but only credited a single variable.
I like your thinking
I like your thinking
Why don’t all the faggots have polio , then?
Why don’t all the faggots have polio , then?
(post is archived)