“671 Actual Data Regarding the Impact of Viral Respiratory Co-Infection (Covid-19 and Flu Respiratory Syncytial Virus-RSV)- A Systematic Review”. Balneo and PRM Research Journal 15, no. 1 (August 22, 2024). Accessed August 12, 2026. https://bioclima.ro/Journal/index.php/BRJ/article/view/365.