2022 Yes https://doi.org/10.1371/journal.pone.0279081 Kebede, Belete Fenta Africa Observational Epidemiology Study Students High School (9-12) COVID rates Cross-sectional study of 404 Ethiopian high school students used logistic regression to assess adherence to COVID-19 preventive behaviors; findings suggest targeting male students and improving hygiene access may improve public health outcomes.