Eric Walker added Origin of Covid — Following the Clues | by Nicholas Wade | May, 2021 | Medium to a number of topics

Eric Walker added From ‘brain fog’ to heart damage, COVID-19’s lingering problems alarm scientists | Science | AAAS to a number of topics

Eric Walker added How COVID-19 Causes Loss of Smell | Harvard Medical School to Covid-19, the nose and smell and taste and Covid-19 and ACE2

Eric Walker added Features of COVID-19 post-infectious cytokine release syndrome in children presenting to the emergency department to Multisystem inflammatory syndrome in children (MIS-C) and Covid-19 and ACE2

Eric Walker added Smoking increases SARS-CoV-2 receptors in the lung - Cold Spring Harbor Laboratory to Covid-19, smoking and vaping and Covid-19 and ACE2

Eric Walker added a number of links to Covid-19 and ACE2, and added Covid-19 and ACE2 to Angiotensin-converting enzyme 2 (ACE2) and Symptoms, characteristics and effects of Covid-19

Eric Walker added a number of topics and a number of links to Symptoms, characteristics and effects of Covid-19, and added Symptoms, characteristics and effects of Covid-19 to Covid-19

Eric Walker added Covid-19 and ACE2 and Angiotensin-converting enzyme 2 - Wikipedia to Angiotensin-converting enzyme 2 (ACE2), and added Angiotensin-converting enzyme 2 (ACE2) to Enzymes