Additional file 1 of Viral etiology of acute respiratory infections in Sub-Saharan Africa during the pre-COVID-19 period (2006–2019): a systematic review and meta-analysis
Xrn1 knock out A549 cells were infected with WT A/Puerto Rico/8/1984 (H1N1) ("PR8"), or PA-X deficient PR8-PA(∆X) viruses, or mock infected for 16 hours before RNA extraction. 5’RACE was then performe
