1. McIntosh NA. Pediatric Pulmonary Medicine-Respiratory Syncytial Virus (RSV). University of Michigan Health System; 2004. Available from: http://www.med.umich.edu/1libr/PedPulmonary/RSV.pdf. [Last accessed on 20 Dec 2021].
2. Epidemiology of respiratory syncytial virus lower respiratory tract infection (RSV-LRTI) in children in developing countries;Sricharoenchai;J Trop Dis Public Health,2016
3. WHO Director-General's Opening Remarks at the Media Briefing on COVID-19-11 March 2020. Available from: https://reliefweb.int/report/world/who-director-generals-opening-remarks-media-briefing-covid-19-11-august-2021?gclid=CjwKCAjwwo-WBhAMEiwAV4dybW0Ad2Z0RRIZpOYsY_Da2xwVHhEMehQD3Gkn9lua8MYA2CTangJDsxoComMQAvD_BwE. [Last accessed on 20 Dec 2021].
4. World Health Organization.Review of global influenza circulation, late 2019 to 2020, and the impact of the COVID-19 pandemic on influenza circulation;Karlsson;Wkly Epidemiol Rec,2021
5. Action needed now to prevent further increases in measles and measles deaths in the coming years;Mulholland;Lancet,2020