INFLUENZA,THE FLU,INFECTIOUS,DISEASE,CAUSED,INFLUENZA VIRUS,SYMPTOMS,MILD,COMMON,SYMPTOM,HIGH,FEVER,RUNNY NOSE,SORE THROAT,MUSCLE PAINS,HEADACHE,COUGH,FEELING,BEGIN,TWO DAYS,EXPOSURE,THE VIRUS,LAST,LESS THAN,WEEK,MORE THAN TWO,WEEKS,CHILDREN,NAUSEA,VOMITING,ADULTS,INFECTION,GASTROENTERITIS,SOMETIMES,STOMACH FLU,FLU,COMPLICATIONS,VIRAL PNEUMONIA,BACTERIAL PNEUMONIA,SINUS,PREVIOUS,HEALTH,PROBLEMS,ASTHMA,HEART FAILURE,INFLUENZA VIRUSES,AFFECT,PEOPLE,TYPE,C,SPREAD,THROUGH THE AIR,BELIEVED,SHORT,TOUCHING,CONTAMINATED,THE MOUTH,EYES,PERSON,SHOWING,THE INFECTION,CONFIRMED,TESTING,THROAT,SPUTUM,NOSE,NUMBER,RAPID,AVAILABLE,RESULTS,NEGATIVE,POLYMERASE CHAIN REACTION,DETECTS,VIRUSS,RNA,ACCURATE,HAND WASHING,RISK OF INFECTION,SOAP,WEARING,SURGICAL MASK,USEFUL,YEARLY,VACCINATIONS,THE WORLD HEALTH ORGANIZATION,HIGH RISK,THE VACCINE,EFFECTIVE,THREE OR FOUR,VACCINE,ONE YEAR,EVOLVES,ANTIVIRAL DRUG,NEURAMINIDASE INHIBITOR,OSELTAMIVIR,AMONG OTHERS,USED TO,BENEFITS,HEALTHY,DO NOT,APPEAR,GREATER THAN,RISKS,BENEFIT,AROUND THE WORLD,CASES,SEVERE ILLNESS,ABOUT TO,DEATHS,NORTHERN,SOUTHERN,PARTS,THE WORLD,OUTBREAKS,IN WINTER,AREAS,THE EQUATOR,THE YEAR,DEATH,YOUNG,PANDEMIC,LESS,THE CENTURY,INFLUENZA PANDEMIC,SPANISH INFLUENZA,ASIAN INFLUENZA,HONG KONG INFLUENZA,NEW TYPE,OTHER ANIMALS,PIGS,HORSES,BIRDS,ASYMPTOMATIC,SYMPTOMS OF INFLUENZA,START,SUDDENLY,CHILLS,CHILLY,SENSATION,BODY,TEMPERATURES,RANGING,ILL,BED,DAYS,ACHES AND PAINS,BODIES,BACKS,LEGS,EXTREME,COLDNESS,SHIVERING,SHAKING,RIGOR,NASAL CONGESTION,ACHES,JOINTS,FATIGUE,IRRITATED,WATERING EYES,SKIN,FACE,MOUTH,PETECHIAL,RASH,GASTROINTESTINAL,DIARRHEA,ABDOMINAL,PAIN,INFLUENZA B,DISTINGUISH,THE COMMON COLD,THE EARLY,STAGES,INFECTIONS,IDENTIFIED,SUDDEN,ONSET,MIXTURE,COMMON COLD,PNEUMONIA,BODY ACHE,NORMALLY,SEEN,HUMAN,THE BIRD FLU,THE TABLE,THE RIGHT,TREATING,SECTION,BELOW,ABOVE,COMBINATIONS,IMPROVE,DIAGNOSTIC,ACCURACY,DECISION ANALYSIS,LOCAL,PREVALENCE,THUS,PATIENTS,NEURAMINIDASE,INHIBITORS,THE ABSENCE,JUSTIFIED,ELDERLY,INFLUENZA SEASON,LABORATORY TESTS FOR,CONTINUE,THE UNITED STATES,CENTERS FOR DISEASE CONTROL,PREVENTION,UP TO DATE,SUMMARY,LABORATORY,DIAGNOSTIC TESTS,SENSITIVITY,SPECIFICITY,VIRAL CULTURE,PERI,CAUSE,PRIMARY,THE OBVIOUS,TROUBLE,BREATHING,ADDITION,CHILD,ADULT,SEEMS,GETTING BETTER,DANGER SIGN,RELAPSE,VIRUS CLASSIFICATION,RNA VIRUSES,MAKE UP,THE FIVE,GENERA,THE FAMILY,ORTHOMYXOVIRIDAE,INFLUENZAVIRUS,INFLUENZAVIRUS B,INFLUENZAVIRUS C,VIRUSES,RELATED,HUMAN PARAINFLUENZA VIRUSES,BELONGING,PARAMYXOVIRUS,FAMILY,COMMON CAUSE,RESPIRATORY INFECTIONS,CROUP,SIMILAR,FOURTH,TYPE SPECIES,THIS FAMILY,BOVINE,VIRUS,GENUS,SPECIES,INFLUENZA A VIRUS,WILD,THE NATURAL,HOSTS,VARIETY,DOMESTIC,POULTRY,GIVE,RISE,HUMAN INFLUENZA,VIRULENT,PATHOGENS,ANTIBODY,RESPONSE,HUMANS,SPANISH FLU,SWINE FLU,ASIAN FLU,HONG KONG FLU,BIRD FLU,ZOONOTIC,POTENTIAL,ENDEMIC,INFLUENZA B VIRUS,ALMOST,THE ONLY,SUSCEPTIBLE,SEAL,THE FERRET,MUTATES,RATE,TIMES,GENETICALLY,DIVERSE,SEROTYPE,LACK,ANTIGEN,DIVERSITY,DEGREE,IMMUNITY,ACQUIRED,ENOUGH,POSSIBLE,REDUCED,ANTIGENIC,CHANGE,LIMITED,HOST RANGE,CROSS,ANTIGENIC SHIFT,PANDEMICS,INFLUENZA C VIRUS,DOGS,CAUSING,EPIDEMICS,INFLUENZA C,THE OTHER,CAUSES,OVERALL,STRUCTURE,PARTICLE,NANOMETERS,DIAMETER,SPHERICAL,STRUCTURES,UP TO,LONG ON,INFECTED,CELLS,SHAPES,VIRAL,PARTICLES,COMPOSITION,VIRAL ENVELOPE,GLYCOPROTEIN,WRAPPED,CENTRAL CORE,THE CENTRAL,CORE,RNA GENOME,PROTEINS,PROTECT,SINGLE STRANDED,SPECIAL CASES,DOUBLE,GENOME,PIECE,NUCLEIC ACID,SEVEN,EIGHT,PIECES,NEGATIVE SENSE RNA,GENE,CODE,GENE PRODUCT,PROTEIN,EXAMPLE,GENES,ENCODING,PROTEIN S,NUCLEOPROTEIN,NUCLEAR EXPORT,POLYMERASE,GLYCOPROTEINS,THE OUTSIDE,LECTIN,BINDING,TARGET CELLS,ENTRY,THE TARGET,CELL,INVOLVED,RELEASE,PROGENY,SUGARS,BIND,MATURE,TARGETS,ANTIVIRAL DRUGS,ANTIBODIES,RAISED,CLASSIFIED,SUBTYPES,BASIS,THE H,REPLICATE,IN LIVING,REPLICATION,MULTI,STEP,PROCESS,HAS TO,ENTER,THE CELL,SITE,WHERE IT,PRODUCE,ASSEMBLE,COMPONENTS,EXIT,THE HOST,ONTO,SIALIC,ACID,EPITHELIAL CELLS,THE NOSE,LUNG,MAMMALS,INTESTINE,STAGE,FIGURE,PROTEASE,IMPORTS,ENDOCYTOSIS,DETAILS,CONVERGE,MICROTUBULE ORGANIZING CENTER,INTERACT,ACIDIC,ENDOSOMES,FINALLY,ONCE,INSIDE,CONDITIONS,ENDOSOME,EVENTS,VACUOLES,MEMBRANE,ION CHANNEL,PROTON,MOVE,THE CORE,VRNA,MOLECULES,ACCESSORY,RNA DEPENDENT RNA POLYMERASE,CYTOPLASM,BLOCKED,AMANTADINE,DRUGS,COMPLEX,TRANSPORTED,NUCLEUS,BEGINS,TRANSCRIBING,COMPLEMENTARY,POSITIVE SENSE,STEPS,EXPORTED,TRANSLATED,REMAINS,SECRETED,GOLGI APPARATUS,SURFACE,THE CASE,MULTIPLE,CELLULAR,MRNA,NUCLEOTIDE,SYNTHESIS,TRANSLATION,HOST CELL,MRNAS,SENSE,VRNAS,FUTURE,VIRION,BULGE,VIRAL CORE,LEAVE,PROTRUSION,BUDS,SPHERE,HOST,PHOSPHOLIPID MEMBRANE,COAT,DETACH,DIES,PROOFREADING,ENZYMES,ERROR,THOUSAND,NUCLEOTIDES,LENGTH,HENCE,THE MAJORITY,MUTANTS,ANTIGENIC DRIFT,SLOW CHANGE,ANTIGENS,OVER TIME,THE SEPARATION,MIXING,REASSORTMENT,SINGLE CELL,GENETICS,CHANGES,FROM ONE,HOST SPECIES,QUICKLY,EMERGENCE,DISCUSSED,EPIDEMIOLOGY,HALF,CLOSE,SHEDDING,MIGHT BE,ONE HALF,ONE DAY,PEAKS,AVERAGE,TOTAL,DURATION,PERSIST,DEVELOP,EXPERIMENTAL,EXPERIMENTALLY,INDIVIDUALS,VIRAL SHEDDING,SH