1. Purchase a SIM card if your carrier requires one. In order to activate your used phone, you will need to insert a SIM card for your plan. 1  Unless the device has been unlocked, it can generally only be activated on the same carrier it was originally activated on.
Whooping cough causes severe coughing spells, which can sometimes end in a whooping sound when the child breathes in. Before a vaccine was available, pertussis killed about 9,000 people in the United States each year. Now, the pertussis vaccine has reduced the annual number of deaths to less than 20.
Common causes of chronic cough include: 1  Postnasal drip â This is a sensation of mucus trickling from the back of your nose down into your throat. 2  It may be due to hay fever, allergies or irritants. 3  How postnasal drip causes a cough is still not clearly understood. 4  In some cases, this sensation may not even be noticed.