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To explore the relationship between the walking time of pregnant women and the maintenance of the antibody level of SARS-CoV-2 inactivated vaccine, so as to provide a reference basis for the prevention of pregnant women’s infection and the promotion of maternal and infant health during the normalization management of SARS-CoV-2 pneumonia epidemic.
In a multicenter cross-sectional study in Guangdong Province, 854 pregnant women who were vaccinated with inactivated SARS-CoV-2 vaccine were included to investigate their demographic characteristics and physical activity, and detect their serum SARS-CoV-2 antibody levels. Multifactor logistic regression model was used to analyze the correlation between the walking time of pregnant women and the positive rate of SARS-CoV-2 antibody.
The positive rates of neutralizing antibody, IgG and IgM of serum SARS-CoV-2 were 44.6%, 46.1% and 3.4% respectively. There was a difference in the positive conversion rate of neutralizing antibodies to SARS-CoV-2 among pregnant women at different walking times(P<0.05), and this difference did not appear in the level of IgG and IgM antibodies(P>0.05). Compared to pregnant women who walked for more than 30 minutes per day, pregnant women who walked for 15~30 minutes per day had a higher NAb positivity rate(OR=1.56, 95%CI:1.09~2.23).
The walking time of pregnant women is related to maintaining the antibody level of SARS-CoV-2 vaccine. The antibody level of pregnant women who walk for 15~30min/d is higher. The walking exercise of pregnant women is beneficial to the immune system. It is suggested that pregnant women should exercise moderately every day to maintain good health.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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