Pneumonia Outbreak Virus Pathogen Lung Infection And Human Lung Infections Or Respiratory Inflammation Disease As Influenza Flu Outbreak Or Pulmonary Inflammatory Illness

KEYWORDS

pneumonia outbreak virus lung infection pulmonary human lungs inflammation inflammatory respiratory covid flu rsv syncytial coronavirus variant viral cell mutation strain covid19 pandemic contagious infected coughs conceptual concept science infectious spreading omicron subvariants disease symptoms epidemic immunity mycoplasma pneumoniae adenovirus pathogens vaccinated vaccination mutating contagion viruses immunology subvariant vaccine influenza winter health healthcare pathogen pathology