Is scarlet fever contagious?

Scarlet fever is an acute infectious disease caused by Group A streptococci. It is infectious. Patients and carriers are the main sources of infection, mainly transmitted through respiratory droplets. People are generally susceptible. Children, pregnant women, the elderly and other special groups need to pay more attention. The key to prevention is to maintain good hygiene habits. Scarlet fever is an acute infectious disease caused by group A streptococci. The main causes are as follows: Source of infection: Patients and carriers are the main sources of infection. Scarlet fever patients are most infectious from 24 hours before onset to the peak of the disease. Route of transmission: It is mainly transmitted by respiratory droplets, but can also be transmitted by contact with nasopharyngeal secretions of patients or carriers. Population susceptibility: The population is generally susceptible, especially children. After infection, long-lasting immunity can be acquired. Special populations need to pay attention to: Children: Because children's immune system is not fully developed, infection with scarlet fever is more prone to complications, such as glomerulonephritis, rheumatic fever, etc. Pregnant women: Pregnant women infected with scarlet fever may lead to premature birth, abortion or other complications. Elderly: The immune system function of the elderly is reduced, and scarlet fever infection can easily lead to serious complications and even life-threatening. The key to preventing scarlet fever is to maintain good personal hygiene habits, such as washing hands frequently, covering your mouth and nose with tissue when coughing or sneezing. In addition, timely medical treatment, isolation of patients, strengthening the management of collective units such as kindergartens and schools are also important measures to prevent the spread of scarlet fever. In short, scarlet fever is an infectious disease, patients and carriers are the main sources of infection. The spread of scarlet fever can be effectively prevented and controlled by strengthening personal hygiene, seeking medical attention in time and isolating patients. Special groups should pay more attention to prevention and seek medical attention in time if they feel unwell.