The majority of Dog Ear books are printed on-demand in response to orders in quantities as little as one at a time. Dog Ear can also print your book in a traditional offset manner,which dramatically reduces your per-unit cost. However, to achieve order quantities start at 2,000 units for such reduced printing prices.
Chronic respiratory diseases. WHO/Marko Kokic. Chronic respiratory diseases (CRDs) are diseases of the airways and other structures of the lung. Some of the most common are chronic obstructive pulmonary disease (COPD), asthma, occupational lung diseases and pulmonary hypertension.
Respiratory infections affect the nose, throat and lungs; they include influenza (the flu), colds and pertussis (whooping cough). The germs (viruses and bacteria) that cause these infections are spread from person to person in droplets from the nose, throat and lungs of someone who is sick.erms: Prevent Their Spread. Keep your germs to yourself: Keep the germs away: Here are some simple tips to help keep respiratory infections and many other contagious diseases from spreading, especially during the cough, cold and flu season.