whooping cough bacteria bordetella pertussis in human respiratory system lungs anatomy. - 流感病毒 個影片檔及 b 捲影像00:14細菌
sick young asian woman headache fever cough cold sneezing sitting under the blanket on sofa in living room at home. healthcare concept. - 流感病毒 個影片檔及 b 捲影像00:13寒冷的
asian sick freelance woman with high fever lying on couch feeling strong headache covered with blanket and wiping nose at home. sickness, seasonal virus problem. cold flu and migraine. - 流感病毒 個影片檔及 b 捲影像00:15
animated sequences showing y shaped antibodies sticking to flu viruses during the body's fight against infection. - 流感病毒 個影片檔及 b 捲影像00:29
ms doctor giving vaccination to teenage patient in medical office / richmond, virginia, usa - 流感病毒 個影片檔及 b 捲影像00:15注射疫苗, 體檢
little boy getting h1n1 swine flu nasal spray on october 24, 2013 in chicago, illinois - 流感病毒 個影片檔及 b 捲影像00:13注射疫苗
young woman with cold symptoms engages in an online medical consultation from home - 流感病毒 個影片檔及 b 捲影像00:24
sign that reads "free flu & covid-19 vaccines with most insurances. walk-ins welcome" stands in a pharmacy on october 10, 2025 in the borough of... - 流感病毒 個影片檔及 b 捲影像00:11美國
sign that reads "free flu & covid-19 vaccines with most insurances" displayed in front of a pharmacy on october 10, 2025 in the borough of brooklyn... - 流感病毒 個影片檔及 b 捲影像00:15美國
sign that reads "free flu & covid-19 vaccines with most insurances. walk-ins welcome" stands in front of a pharmacy on october 10, 2025 in the... - 流感病毒 個影片檔及 b 捲影像00:08美國
compilation of soldiers sneezing and coughing and a doctor and a nurse attending a patient - 流感病毒 個影片檔及 b 捲影像00:11
zi usda scientists inspecting, testing and releasing a wild bird for avian flu / rhode island, united states - 流感病毒 個影片檔及 b 捲影像01:14
little boy getting h1n1 swine flu nasal spray on october 24, 2013 in chicago, illinois - 流感病毒 個影片檔及 b 捲影像00:16注射疫苗
sign that reads "free flu & covid-19 vaccines with most insurances. walk-ins welcome" displayed in front of a pharmacy on october 10, 2025 in the... - 流感病毒 個影片檔及 b 捲影像00:15美國
close-up of iv drip in hospital room with blurred background of mother caring for sick child, symbolizing healthcare, treatment, pediatric care, recovery, compassion, support, family bond, and medical hope. - 流感病毒 個影片檔及 b 捲影像00:11
childhood illness, lying in bed with exhaustion and fatigue from flu virus b in the ward - 流感病毒 個影片檔及 b 捲影像00:12
influenza ward. part of a us army camp hospital in langres, france. this ward dealt with soldiers infected with influenza, or flu. - 流感病毒 個影片檔及 b 捲影像00:10
ms h n type flu virus particles moving on white background / oxford, oxon, united kingdom - 流感病毒 個影片檔及 b 捲影像00:21粒子
woman getting h1n1 swine flu nasal spray on october 24, 2013 in chicago, illinois - 流感病毒 個影片檔及 b 捲影像00:10注射疫苗
hand, parent and child sleeping in hospital bed for comfort, reassurance and emotional support. person, consoling and kid with nap for medical recovery, parental concern and compassion for surgery - 流感病毒 個影片檔及 b 捲影像00:08