These practices break the chain of infection and protect the health of many people, especially in shared spaces.Wearing masks – Prevents spread of airborne diseases like flu or COVID-19.Social distancing – Reduces chances of person-to-person transmission in crowded areas.Proper ventilation – Fresh air lowers the risk of indoor transmission.Coughing/sneezing into elbow – Stops droplets from spreading to others.Disinfecting surfaces regularly – Kills viruses/bacteria on commonly touched areas (e.g., doorknobs, desks).Staying home when sick – Prevents spreading illness to classmates or coworkers.Avoiding food sharing – Stops the transfer of saliva which can carry viruses.Health screening (temperature checks) – Detects early symptoms to isolate immediately.Vaccination – Builds immunity and protects large groups from outbreaks.