Attendance rates in the intervention group and the control group by age and self-sampling device.

NIAID Data Ecosystem100

Administrative and Regulatory Records, 1970-1980

<p> This dataset represents a group of paper records (a "series") within the Harvard School of Public Health Longitudinal Studies of Child Health and Development records, 1918-2015 (inclusive),

DataCite Commons2025-05-11 更新60

Data set: global academic response to COVID-19: cross-sectional study

学术应急响应

COVID-19

Data set and data dictionary for the study: "global academic response to COVID-19: cross-sectional study".

NIAID Data Ecosystem30

Data set: global academic response to COVID-19: cross-sectional study

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