ORIGINAL RESEARCH
Dynamics of teachers’ awareness on the issues of protecting the health of schoolchildren during the ongoing sanitary and educational work during 2000–2021
1 Pirogov Russian National Research Medical University, Moscow, Russia
2 Dolgoprudny Gymnasium, Dolgoprudny, Russia
Correspondence should be addressed: Svetlana V. Markelova
ul. Ostrovityanova, 1, Moscow, 117997, Russia; ur.xednay@evs.avolekram
Author contribution: all authors made an equal contribution into the publication preparation.
Compliance with ethical standards: the study was approved by the Ethics Committee of Pirogov Russian National Research University (protocol No. 159 as of November 21, 2016). Every participant provided a voluntary informed consent. In 2021, adults were questioned online on the voluntary basis. The study corresponded to requirements of biomedical ethics and posed no risk to its participants.