inclusion criteria: 1. aged 3-17 years old (all inclusive); 2. the subject voluntarily agrees to participate in the study (or the legal guardian of the subject voluntarily agrees the child to participate in the study), and the guardian and the subject (8-17 years old) sign the informed consent form, and can provide valid identification; understand and comply with test protocol requirements; 3. the subject and / or the legal guardian of the subject have the ability to understand the (non illiterate) study procedure and participate in the planned follow-up; 4. axillary temperature \< 37.3 ℃ (\> 14 years old), axillary temperature \< 37.5 ℃(≤14 years old); 5. female and male subjects of childbearing age agreed to take effective contraceptive measures during the study.

inclusion criteria: 1. aged 3-17 years old (all inclusive); 2. the subject voluntarily agrees to participate in the study (or the legal guardian of the subject voluntarily agrees the child to participate in the study), and the guardian and the subject (8-17 years old) sign the informed consent form, and can provide valid identification; understand and comply with test protocol requirements; 3. the subject and / or the legal guardian of the subject have the ability to understand the (non illiterate) study procedure and participate in the planned follow-up; 4. axillary temperature \< 37.3 ℃ (\> 14 years old), axillary temperature \< 37.5 ℃(≤14 years old); 5. female and male subjects of childbearing age agreed to take effective contraceptive measures during the study.

inclusion criteria: aged 3-17 years old (all inclusive); the subject voluntarily agrees to participate in the study (or the legal guardian of the subject voluntarily agrees the child to participate in the study), and the guardian and the subject (8-17 years old) sign the informed consent form, and can provide valid identification; understand and comply with test protocol requirements; the subject and / or the legal guardian of the subject have the ability to understand the (non illiterate) study procedure and participate in the planned follow-up; axillary temperature < 37.3 ℃ (> 14 years old), axillary temperature < 37.5 ℃(≤14 years old); female and male subjects of childbearing age agreed to take effective contraceptive measures during the study.

inclusion criteria: aged 3-17 years old (all inclusive); the subject voluntarily agrees to participate in the study (or the legal guardian of the subject voluntarily agrees the child to participate in the study), and the guardian and the subject (8-17 years old) sign the informed consent form, and can provide valid identification; understand and comply with test protocol requirements; the subject and / or the legal guardian of the subject have the ability to understand the (non illiterate) study procedure and participate in the planned follow-up; axillary temperature < 37.3 ℃ (> 14 years old), axillary temperature < 37.5 ℃(≤14 years old); female and male subjects of childbearing age agreed to take effective contraceptive measures during the study.

inclusion criteria: 1. aged 3-17 years old (all inclusive); 2. the subject voluntarily agrees to participate in the study (or the legal guardian of the subject voluntarily agrees the child to participate in the study), and the guardian and the subject (8-17 years old) sign the informed consent form, and can provide valid identification; understand and comply with test protocol requirements; 3. the subject and / or the legal guardian of the subject have the ability to understand the (non illiterate) study procedure and participate in the planned follow-up; 4. axillary temperature < 37.3 ℃ (> 14 years old), axillary temperature < 37.5 ℃(≤14 years old); 5. female and male subjects of childbearing age agreed to take effective contraceptive measures during the study.

inclusion criteria: 1. aged 3-17 years old (all inclusive); 2. the subject voluntarily agrees to participate in the study (or the legal guardian of the subject voluntarily agrees the child to participate in the study), and the guardian and the subject (8-17 years old) sign the informed consent form, and can provide valid identification; understand and comply with test protocol requirements; 3. the subject and / or the legal guardian of the subject have the ability to understand the (non illiterate) study procedure and participate in the planned follow-up; 4. axillary temperature < 37.3 ℃ (> 14 years old), axillary temperature < 37.5 ℃(≤14 years old); 5. female and male subjects of childbearing age agreed to take effective contraceptive measures during the study.

inclusion criteria: aged 3-17 years old (all inclusive); 2) the subject voluntarily agrees to participate in the study (or the legal guardian of the subject voluntarily agrees the child to participate in the study), and the guardian and the subject (8-17 years old) sign the informed consent form, and can provide valid identification; understand and comply with test protocol requirements; 3）the subject and / or the legal guardian of the subject have the ability to understand the (non illiterate) study procedure and participate in the planned follow-up; 4) axillary temperature < 37.3 degree c (> 14 years old), axillary temperature < 37.5 degree c(<=14 years old); 5) female and male subjects of childbearing age agreed to take effective contraceptive measures during the study.

inclusion criteria: aged 3-17 years old (all inclusive); 2) the subject voluntarily agrees to participate in the study (or the legal guardian of the subject voluntarily agrees the child to participate in the study), and the guardian and the subject (8-17 years old) sign the informed consent form, and can provide valid identification; understand and comply with test protocol requirements; 3）the subject and / or the legal guardian of the subject have the ability to understand the (non illiterate) study procedure and participate in the planned follow-up; 4) axillary temperature < 37.3 degree c (> 14 years old), axillary temperature < 37.5 degree c(<=14 years old); 5) female and male subjects of childbearing age agreed to take effective contraceptive measures during the study.