Watch this video to learn more about the developmental milestones a parent should expect to see by four months old including social and movement guidelines as well as important signs of possible health issues.
Each winter, millions of people suffer from influenza—the flu. The flu virus infects the nose, throat, and lungs, and spreads from person to person through coughs and sneezes. The video explains why a flu shot is important to help prevent this illness, which can be life-threatening in older adults.