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

Professional doctors measure man's pressure, hospitalizing him to the clinic. Coronavirus epidemic, covid-19 pandemic, virus disease concept.

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

Lab technician in medical uniform and mask picks up syringe, pours some liquid

Shooting of little four-year boy in protective mask

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

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

Barrier gate with QUARANTINE sign being closed with flag of Belgium as a background. Belgian border closure or infection related isolation

4K Covid-19 patient on bed with doctors in PPE coverall suit in hospital

Warning text against doctors wheeling a bed in hospital

Unhealthy man looks at thermometer feels badly due high temperature

A vile worm climbs into a rotten apple

Close portrait of a man in a protective suit wears plastic safety glasses. Medical workers, the threat of the spread of coronavirus, medical remedies

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

Coronavirus and infection,medical concept, 3d rendering.

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

Closed boom gate with QUARANTINE sign on the Sudanian flag background. Restricted border crossing or infection related isolation in Sudan

Medical check at the airport, a flashlight to check the throat, the threat of a coronavirus pandemic, the spread of coronavirus. Close portrait of a man in a protective suit

Furnished apartment with a dancing man in a hazmat mask

Chemical structures and data processing against nurse and patient walking in hospital

Revealing shot of man relaxing on balcony

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

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

Closing boom barrier with STOP CORONAVIRUS sign against the Italian flag. Quarantine in Italy

Covid-19 cells and emergency text against globe spinning

Epidemic - a virus covering the planet Earth

person sick with stop covid 19 particle

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

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

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

Coronavirus text against team of doctors working in hospital

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