Tính n?ng này giúp ng??i dùng theo dõi di?n bi?n tr?c ti?p và ??a ra quy?t ??nh cá c??c chính xác h?n. If used from the College of California, you may be necessary to comply with our Policy on Vaccination packages, which may be amended or revised on occasion. Federal, state, or local general public health and fitness directives may possib