SARS-CoV-2, COVID-19 Virus, TEM

2019 20 coronavirus pandemic 2019 20 wuhan coronavirus outbreak 21st century bw coronavirus covid 19 disease histopathology infectious disease micrograph ncov novel coronavirus 2019 novel coronavirus sars cov 2 pandemic pathogen respiratory disease rna virus sars coronavirus sars pandemic sars virus sars cov 2 tem virus wuhan coronavirus