human 4 shift work Article 2 Humans 2 adult 2 article 2 controlled study 2 female 2 health care personnel 2 physiological stress 2 Administration, Inhalation 1 Adult 1 Africa south of the Sahara 1 Anti-HIV Agents 1 Antiretroviral Therapy, Highly Active 1 COVID-19 1 COVID-19 Vaccines 1 Cochrane Library 1 Cost-Benefit Analysis 1 Delivery of Health Care 1 Driving 1 Driving capacity 1 Driving conditions 1 Electric NO generator 1 Embase 1 Female 1 HIV 1 HIV Infections 1 Haul trucks 1 Health Care Costs 1