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Are people upstairs and downstairs safe?
Positive generally refers to novel coronavirus infected patients, such patients are safer upstairs and downstairs, and generally will not be infected. The main modes of transmission in novel coronavirus are droplet transmission, contact transmission and aerosol transmission. If you are not in the same space, the probability of being infected is very small.
Therefore, the upstairs and downstairs are relatively safe and basically will not be infected. However, if you have had close contact with patients, you are easily infected. Among them, the elderly and children are more susceptible to infection than teenagers and middle-aged people, and wearing a mask is more susceptible to infection than wearing a mask. Novel coronavirus has a strong communication ability, so it is recommended to do a good job of disinfection at home and keep indoor ventilation. Wear a mask when you go out every day and disinfect it with alcohol when you go home.
Meaning of Huiyang and Secondary Infection
Re-positive means that the infected person turns positive by detecting nucleic acid and antigen again in a short time after the symptoms basically disappear and the nucleic acid or antigen is negative. Recurrence usually occurs within 1 month after recovery. At this time, only the residual fragments of the virus were detected, and the number was very small, which was not a complete live virus that caused the disease. People who recover usually have no symptoms and are not contagious.
Secondary infection refers to the second COVID-19 infection after the complete recovery of the first infection. Different from recurrence, secondary infection usually has symptoms, and the viral load detected by nucleic acid is higher and more infectious. If the nucleic acid and antigen are positive again 1 month after the recovery of infection, the possibility of secondary infection is greater, but there are some cases of repeated infection of different variants within 3 months.
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