傳染 影片素材 第1頁

PD-1 receptor-bound effector T cells attack tumor cells and viruses. Immune checkpoint engagement enhances cytotoxicity, eliminating cancer and infected cells. 3D animation.

scared man gesturing stop afraid of coronavirus COVID-19 infection

4K Team of male and female doctors wearing PPE checking infected patient during coronavirus outbreak

covid 19 pandemic sick person with earth planet

Barrier gate with STOP CORONAVIRUS sign being closed with flag of Ukraine as a background. Ukrainian quarantine

Personal protective equipment to protect and stay safe from Coronavirus on blue background with space for text at the end

Face of a woman wearing a safety mask in a front view. Lockdown concept, coronavirus pandemic.

Covid-19 cells moving against team of doctors examining Xray

Closing boom barrier with STOP CORONAVIRUS sign against the German flag. Quarantine in Germany

Covid-19 cells moving against team of doctors discussing

COVID-19 Pandemic Coronavirus Lockdown. Sad woman is praying on quarantine in medical mask on face

Portrait of young male person relaxing and resting on a black living room couch in protective suit reading news on his phone during pandemic coronavirus quarantine time 4K

Portrait of young male person stitting behind white dining desk in kitchen in protective suit drinking a cup of tea and reading news on his phone during pandemic coronavirus quarantine time 4K

Covid-19 - Pandemic Animation White Background Coronavirus

Covid-19 cells moving against doctor using digital tablet

Man during self isolation sitting on the balcony

Data processing against Covid-19 cells moving

Ebola Warning and Strong Fence Clouds Timelapse

Covid-19 coronavirus 2019 cell on red background for medical and virology concepts looped.

Video of medical worker in protective suit with virus test

Closing boom barrier with QUARANTINE sign against the German flag. Border closure or infection related isolation in Germany

Covid-19 cells and data processing against doctor and nurse talking in hospital

covid19 pandemic particles and cells pattern animated

Chemical structures and Covid-19 cells moving against team of doctors discussing

Close portrait of a man in a protective suit and blue gloves shows a thumbs up gesture, bad news, the spread of coronavirus, an aggressive gesture

Unrecognizable male doctor with bacteriological protective suit injecting antiviral to a sick patient

Medical supplies to protect and stay safe from COVID-19 on blue background with space for text

Hazard sign with Covid-19 text and cells moving against stock market data processing

Hazard sign with Emergency text against woman using escalator

Hazard sign with Covid-19 text against stock market data processing

Young ill man covering her nose and mouth with arm.

Barrier gate with QUARANTINE sign being closed with flag of Qatar as a background. Qatari Border closure or infection related isolation

Scope scanning and Yellow police tapes against Covid-19 cells moving

Closing boom barrier with QUARANTINE sign against the Omani flag. Border closure or infection related isolation in Oman

Medical supplies to protect and stay safe from COVID-19 on blue background border design with space for text

Covid-19 Infection with numbers rising and Covid-19 icons falling against businesspeople shaking han

Protection against viruses and bacteria. woman tourist wearing a protective mask on the street. Pandemic Coronavirus. the concept health and safety, N1H1 coronavirus, virus protection

3D Rendering virus for Covid-19 Coronavirus outbreak concept, virus 2019-ncov flu outbreak

Closed boom gate with QUARANTINE sign on the Senegalese flag background. Border closure or infection related isolation in Senegal

infected area is disinfected after coronavirus. 4K

Yellow police tapes with Warning, Coronavirus and Quarantine text against doctor talking to patient

Protective masks hang on a barbed wire. quarantine concept. Coronavirus

Barrier gate with QUARANTINE sign being closed with flag of Costa Rica as a background. Costa Rican border closure or infection related isolation

Covid-19 cells moving against female doctor using digital tablet

Closing boom barrier with QUARANTINE sign against the Cuban flag. Border closure or infection related isolation in Cuba

covid19 pandemic particles pattern animated

covid19 pandemic particles pattern with dna molecule animated

Covid-19 cells moving against team of doctors treating patient in hospital

Man got sick cover mouth with tissue coughs feels unhealthy

Closing boom barrier with QUARANTINE sign against the New zealand flag. Restricted border crossing or infection related isolation in New zealand

Closed boom gate with STOP CORONAVIRUS sign on the Polish flag background. Quarantine in Poland

Covid-19 cells moving against globe spinning

Covid-19 cells and numbers moving against blue background

Data processing against Covid-19 cells moving

Depressed man with protection mask

Closed boom gate with QUARANTINE sign on the Dominican flag background. Border closure or infection related isolation in Dominican Republic

Warning text against doctors wheeling a bed in hospital

Unhealthy man looks at thermometer feels badly due high temperature

Hazard sign with Global Emergency text against woman washing child hands

Portrait of young male person relaxing and resting on a black living room couch in protective suit reading news on his phone during pandemic coronavirus quarantine time 4K

Young casual man walking making a call wearing warm clothes and protective mask on white background.

earth planets with stop covid19 particles and banners

A vile worm climbs into a rotten apple

person sick with headache covid 19 symptom

Closed boom gate with QUARANTINE sign on the Argentinean flag background. Border closure or infection related isolation in Argentina

Barrier gate with QUARANTINE sign being closed with flag of Paraguay as a background. Paraguayan Border closure or infection related isolation

Self-isolating man is making a videocall from home. Man working from home during covid-19 coronavirus.

Barrier gate with QUARANTINE sign being closed with flag of Spain as a background. Spanish restricted border crossing or infection related isolation

Scope scanning and Infection text against Covid-19 cells moving

Portrait of healhy male in respiratory mask and black clothes doing push ups and always stays healthy in urban daytime park during pandemic coronavirus quarantine time 4K

man holding digital thermometer in hand close up

Portrait of a sleepy young male person relaxing and resting on a black living room couch in protective suit watching tv then answers phone call during pandemic coronavirus quarantine time 4K

Covid-19 cells moving against female doctor smiling in hospital

Closed boom gate with QUARANTINE sign on the North Korean flag background. Border closure or infection related isolation in North Korea

Furnished apartment with a dancing man in a hazmat mask

Revealing shot of man relaxing on balcony

Scope scanning and Covid-19 cells moving against team of doctors working

Ebola Warning Rusty Sign under Clouds Timelapse

person sick with stop covid 19 particle

Attention sign with Virus text against woman washing her hands

Closed boom gate with QUARANTINE sign on the Portuguese flag background. Border closure or infection related isolation in Portugal

Coronavirus text against team of doctors working in hospital

DNA and chemical structures moving against two patients talking to each other

Man close up look, wearing protective medical mask. Concept health safety N1H1 virus protection coronavirus epidemic 2019 nCoV. Chroma key blue film.

Sick young woman having pneumonia coughing wearing face mask

Hazard sign with Quarantine text against data processing

Seamless loop video of Coronavirus particles moving in green screen background

Barrier gate with QUARANTINE sign being closed with flag of Norway as a background. Norwegian Border closure or infection related isolation

Man doctor in white medical glove hold digital thermometer in hand

Closed boom gate with QUARANTINE sign on the Austrian flag background. Border closure or infection related isolation in Austria

Coronavirus green background

Covid-19 cells moving against team of doctors discussing

DNA structures and data processing against team of doctors walking in hospital

DNA structures and data processing against team of doctors working

Closing boom barrier with QUARANTINE sign against the Tunisian flag. Restricted border crossing or infection related isolation in Tunisia

A man in a face mask is using gadgets to work from home. Man working from home during covid-19 coronavirus pandemic.

Barrier gate with STOP CORONAVIRUS sign being closed with flag of Belgium as a background. Belgian Quarantine

Sick diseased patient infected sneeze. Doctor wearing protect medical mask respirator show a virus model. Green ball spike thorn. Slow motion.

Covid-19 - Social Distancing Animation Coronavirus

Closing boom barrier with QUARANTINE sign against the Swiss flag. Restricted border crossing or infection related isolation in Switzerland