What are the main two types of people infected by Xinguan infection?

The main sources of infection are patients with COVID-19 infection and asymptomatic infection. Elderly people and people with low immunity are prone to COVID-19 infection. In addition, patients with underlying diseases, such as hypertension, diabetes, cirrhosis or respiratory diseases, are prone to COVID-19 infection without paying attention to protective measures. Wear masks when going out and take comprehensive protective measures. Usually need appropriate exercise, exercise can improve immunity, for the prevention of new crown infection has certain help. In addition, also need to eat more protein and vitamin high food, from the diet to improve immunity. Usually do not go to many places, but also need to ensure adequate rest time, do not stay up late.