SKIP NAVIGATION NATIONAL LIBRARY OF MEDICINE HEALTH TOPICS DRUGS TOOLS MEDLINEPLUS SEARCH SITE MAP FAQS CUSTOMER SUPPORT YOU ARE HERE VIRAL INFECTIONS SHARING FEATURES PLEASE PAGE BASICS SUMMARY START HERE PREVENTION RISK FACTORS LEARN PLAY IMAGES RESEARCH CLINICAL TRIALS JOURNAL RESOURCES FIND EXPERT FOR YOU CHILDREN PATIENT VIRUSES GENETIC MATERIAL SMALLER THAN CAUSE FAMILIAR INFECTIOUS DISEASES THE COMMON COLD FLU ILLNESSES SMALLPOX HEMORRHAGIC NORMAL CELLS MULTIPLY PRODUCE THEMSELVES EVENTUALLY KILLS HARD INSIDE YOUR PROTECTED MOVE BLOODSTREAM ANTIBIOTICS DO NOT WORK ANTIVIRAL MEDICINES HELP PREVENT VIRAL DISEASES NATIONAL INSTITUTE OF ALLERGY BACTERIAL FOUNDATION FOR MEDICAL EDUCATION COMMON VIRUS TYPE 1 DIABETES GERMS TOPIC LIBRARY SPANISH CONTROL MOSQUITOES SPREAD ZIKA DISEASE CONTROL INFECTION CONTROL HUMAN PARAINFLUENZA VIRUSES ACUTE FLACCID MYELITIS ADENOVIRUSES ENTEROVIRUS D68 FOOT AND MOUTH DISEASE MOUTH DISEASE MOLLUSCUM CONTAGIOSUM ENTEROVIRUS TROPICAL SPASTIC PARAPARESIS INSTITUTE OF NEUROLOGICAL THORACIC VIRAL EXANTHEM ADENOVIRIDAE INFECTIONS COXSACKIEVIRUS INFECTIONS VIRUS DISEASES ABSTRACTS VACCINIA VALUE BASIC RESEARCH MEETING STRATEGIC ADVISORY GROUP OF EXPERTS THE GREAT CENTERS FOR DISEASE CONTROL NATIONAL FOUNDATION FOR ADENOVIRUS YOUR CHILD COLD ACADEMY DISEASE ROSEOLA ECHO VIRUS HERPANGINA PARAINFLUENZA ZIKA VIRUS DISEASE IMAGE EMAIL UPDATES NATIONAL INSTITUTES OF HEALTH PRIMARY ORGANIZATION FOR THE NATIONAL INSTITUTE OF ALLERGY DISCLAIMERS LINKS HEALTH INFORMATION THE NATIONAL INSTITUTES OF FEDERAL GOVERNMENT AGENCIES DISCLAIMER EXTERNAL LINKS QUALITY FOLLOW US COPYRIGHT PRIVACY GUIDELINES PLAYERS CONNECT ROCKVILLE PIKE MD 208 DEPARTMENT OF HEALTH AND HUMAN LAST