According to the Wang et al study only 50% of cases present with cough and 70% of cases present with fatigue. It seems on your website that cough is a requirement for the corona diagnosis. Is my assumption correct?<p>(<a href="https://jamanetwork.com/journals/jama/fullarticle/2761044?guestAccessKey=f61bd430-07d8-4b86-a749-bec05bfffb65" rel="nofollow">https://jamanetwork.com/journals/jama/fullarticle/2761044?gu...</a>)