A: It is likely one disease with different manifestations: we also see this with influenza, which has varying symptoms (even though its clinical presentation is more uniform). More below:
There are 2 main theories why #COVID affects both:
1) It uses the lungs to spread itself throughout the body, impacting other systems and
2) It binds to the ACE2 surface protein, which is present among many organs and systems including the kidneys, heart, and gastrointestinal tract.
The point: No, the #virus isn't tricking us. We're just learning more about its full profile everyday!
It's great that the @CDCgov broadened its #COVIDー19 symptom profile: people can recognize the virus sooner and seek treatment.👍
Read more here: economist.com/science-and-te…