30 Day Cough 2025. Coughing from time to time helps clear particles and secretions from the lungs and helps to prevent infection. According to the centers for disease control and prevention (cdc), a cough, along with other typical cold symptoms, usually starts within 2 to 3 days of contracting a cold.
People have forgotten that a cough can linger for a long time,. Been out and about recently and noticed a lot more people.