Tell that to the clusters of sarcoidosis cases.
Sarcoidosis isn't infectious or environmental.
What if they didn't both get it? Maybe we got our basic assumption wrong and it's two different diseases? Maybe we didn't and it's sarcoidosis.
What if they didn't both get it? Maybe we got our basic assumption wrong and it's two different diseases? Maybe we didn't and it's sarcoidosis. [SEP] Sarcoidosis isn't infectious or environmental. [SEP] Tell that to the clusters of sarcoidosis cases.