Ключевые слова: acidophilus, allergy, bacillus, background, bacteria, bacterial, bacterium, biology, cancer, danger, dangerous, disease, genetic, germ, germs, health, human, hygiene, immune, infected, infection, lactobacilli, lactobacillus, macro, medical, medicine, micro, microbe, microbiology, microbiome, microorganism, microscope, microscopic, molecular, pandemic, parasite, pathogen, pathogenic, prebiotic, probiotics, protection, science, scientific, vaccine, virus,