Close-up of whooping cough bacterial virus under a microscope, whooping cough, disease, bacteria, virus, microscopic
Keywords
whooping cough,
disease,
virus,
microscopic,
closeup,
medicals,
health,
infection,
contagious,
disease,
health care,
pathology,
laboratory,
research,
study,
biology,
epidemic,
outbreak,
immunisation,
prevention,
sore throat,
coughing,
children