Superinfection theory

Superinfection theory suggests that when a person is infected with one virus or bacteria, it might make it easier for another, different pathogen to infect them afterward. This could happen because the initial infection can weaken the immune system or damage tissues, reducing the body’s ability to fight off additional infections. It’s like opening the door for other germs to enter more easily. This concept helps explain why some people experience multiple infections over time, especially when their immune defenses are compromised or overwhelmed.