An updated edition of the essential guide to dealing with common respiratory illness, featuring a new chapter offering practical strategies on how to prevent, treat, and recover from Covid-19. From cold and flu to pneumonia and bronchitis; from tonsillitis and sinusitis to SARS, eminent pulmonologist Neil Schachter, M.D., explains how to treat and prevent common respiratory illnesses and protect yourself from Covid-19. The Good Doctor's Guide to Colds and Flu shows how to avoid illness, boost immunity, and combat congestion, fever, and discomfort when cold, flu, and other infections strike. Dr. Schachter provides the latest and most effective information and advice to help you protect your health.