US researches vaccine for flu, common cold, cough, and allergies VnExpress A team of experts at Stanford University, US, is testing an "all-in-one" vaccine designed to prevent flu, cough, common cold, lung diseases, and allergies.
6 foods to boost immunity, prevent sore throats VnExpress Spinach, sweet potatoes, and yogurt provide nutrients to enhance resistance, helping the body fight viruses and bacteria, and prevent pharyngitis.
