Since most sore throats are caused by germs5, there are steps that you can take to prevent getting an infection:
Avoid sharing utensils with people who are sick.
Wash your hands regularly with soap
Practice proper hand and throat hygiene by using an antiseptic hand wash and gargle, such as Povidone-Iodine
(BETADINE®) Gargle to kill germs and prevent passing on germs within the family or community2.
Avoid touching your eyes, nose and mouth with unwashed hands as germs can
Enter your body this way and make you sick.
Stay away from people who are ill, as germs can spread.89