Ключевые слова: aids, background, bacteria, biology, blood, bloodshot, bloody, bruise, cancer, care, cell, close, closeup, contagious, contaminated, contamination, cure, danger, death, dna, draw, drug, edge, generation, health, helpful, illness, immunity, inject, injection, inoculation, instrument, laboratory, medical, medicine, needle, overdose, pattern, perscription, pharmacy, poison, prevent, risk, society, spot, stain, syringe, treat, vaccine, youth,