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    Wellington Street in Covent Garden at evening rush hour during the national lockdown during Covid-19 world pandemic; London, England — Stock Photo
    Wellington Street in Covent Garden at evening rush hour during the national lockdown during Covid-19 world pandemic; London, England
    Pancreatic cells. Colored transmission electron micrograph (TEM) of acinar (exocrine) pancreatic cells (red) adjacent to hormone- secreting (endocrine) Islet of Langerhans cells (yellow) — Stock Photo
    Pancreatic cells. Colored transmission electron micrograph (TEM) of acinar (exocrine) pancreatic cells (red) adjacent to hormone- secreting (endocrine) Islet of Langerhans cells (yellow)
    Viral lung infection, illustration. Inflamed lungs infected with virus particles. — Stock Photo
    Viral lung infection, illustration. Inflamed lungs infected with virus particles.
    Brucella bacteria, illustration. Gram-negative pleomorphic bacteria that cause brucellosis in cattle and humans and are transmitted to humans by direct contact with ill animal or by contaminated milk. — Stock Photo
    Brucella bacteria, illustration. Gram-negative pleomorphic bacteria that cause brucellosis in cattle and humans and are transmitted to humans by direct contact with ill animal or by contaminated milk.
    Marabou stork (Leptoptilos crumenifer) and black kites (Milvus migrans) sitting on a power line; Hoima, Western Region, Uganda — Stock Photo
    Marabou stork (Leptoptilos crumenifer) and black kites (Milvus migrans) sitting on a power line; Hoima, Western Region, Uganda
    Electrical-Power Transmission Lines — Stock Photo
    Electrical-Power Transmission Lines
    A truck leaving a dusty trail when turning off one country road to another surrounded by farm fields with an electricity transmission line running across; Colorado, United States of America — Stock Photo
    A truck leaving a dusty trail when turning off one country road to another surrounded by farm fields with an electricity transmission line running across; Colorado, United States of America
    Conceptual illustration of chicken eggs in carton and magnification of bacterium of food-borne infection on white background. — Stock Photo
    Conceptual illustration of chicken eggs in carton and magnification of bacterium of food-borne infection on white background.
    Grey metal tower, industrial building — Stock Photo
    Grey metal tower, industrial building
    Tall electricity pylon with high voltage cables in highland against snowy mountain ridges at horizon under gray cloudy sky in Spain — Stock Photo
    Tall electricity pylon with high voltage cables in highland against snowy mountain ridges at horizon under gray cloudy sky in Spain
    Digital illustration of pyramidal nerve cells from cerebral cortex of brain. — Stock Photo
    Digital illustration of pyramidal nerve cells from cerebral cortex of brain.
    Communications tower in field in Oregon, United States — Stock Photo
    Communications tower in field in Oregon, United States
    Grandmother and little boy smelling honey at kitchen — Stock Photo
    Grandmother and little boy smelling honey at kitchen
    Malaria-infected mosquito piercing skin and transmitting malaria parasites into bloodstream. — Stock Photo
    Malaria-infected mosquito piercing skin and transmitting malaria parasites into bloodstream.
    Feline caliciviruses particles — Stock Photo
    Feline caliciviruses particles
    Old man working in pandemic quarantine — Stock Photo
    Old man working in pandemic quarantine
    Cobblestone lane in Soho at evening rush hour during the national lockdown for the Covid-19 pandemic; London, England, UK — Stock Photo
    Cobblestone lane in Soho at evening rush hour during the national lockdown for the Covid-19 pandemic; London, England, UK
    Antibodies attacking coronavirus particle, illustration. — Stock Photo
    Antibodies attacking coronavirus particle, illustration.
    Northern Lights glowing green in the starry sky above a rural road and transmission lines, Sturgeon County; Alberta, Canada — Stock Photo
    Northern Lights glowing green in the starry sky above a rural road and transmission lines, Sturgeon County; Alberta, Canada
    Off road vehicle driving through desert, Abu Dhabi, UAE — Stock Photo
    Off road vehicle driving through desert, Abu Dhabi, UAE
    Network with connected lines, digital abstract illustration. — Stock Photo
    Network with connected lines, digital abstract illustration.
    Grandmother and little boy cooking food at kitchen — Stock Photo
    Grandmother and little boy cooking food at kitchen
    From above crop anonymous male aviator pushing lever on dashboard while piloting modern aircraft during flight — Stock Photo
    From above crop anonymous male aviator pushing lever on dashboard while piloting modern aircraft during flight
    Respiratory syncytial virus — Stock Photo
    Respiratory syncytial virus
    Abstract structure of neural network on dark background, digital illustration. — Stock Photo
    Abstract structure of neural network on dark background, digital illustration.
    Serious gray haired elderly repairman using tablet and watching video instruction while fixing old broken motorcycle in garage — Stock Photo
    Serious gray haired elderly repairman using tablet and watching video instruction while fixing old broken motorcycle in garage
    View of abandoned truck — Stock Photo
    View of abandoned truck
    Pilot operating airplane in cockpit — Stock Photo
    Pilot operating airplane in cockpit
    Pancreas tissue. Transmission electron micrograph (TEM) of part of the exocrine pancreas. Seen here are zymogen granules and cell nuclei. In the image the endoplasmic reticulum that fills the cytoplasm is clearly visible. — Stock Photo
    Pancreas tissue. Transmission electron micrograph (TEM) of part of the exocrine pancreas. Seen here are zymogen granules and cell nuclei. In the image the endoplasmic reticulum that fills the cytoplasm is clearly visible.
    Power pylon under clouds in Texas, USA — Stock Photo
    Power pylon under clouds in Texas, USA
    Pancreatic islet cells. Colored transmission electron micrograph (TEM) of a section through pancreas tissue, showing cells known as Islets of Langerhans. These cells occur in distinct ovoid clusters numbering about 1 million in humans — Stock Photo
    Pancreatic islet cells. Colored transmission electron micrograph (TEM) of a section through pancreas tissue, showing cells known as Islets of Langerhans. These cells occur in distinct ovoid clusters numbering about 1 million in humans
    Driver seat with transmission lever skull handle — Stock Photo
    Driver seat with transmission lever skull handle
    Lung tissue, coloured transmission electron micrograph (TEM). A pulmonary capillary containing two red blood cells (red) and three platelets (blue). A basement membrane (pink) surround the endothelium separating it from the alveolar epithelium — Stock Photo
    Lung tissue, coloured transmission electron micrograph (TEM). A pulmonary capillary containing two red blood cells (red) and three platelets (blue). A basement membrane (pink) surround the endothelium separating it from the alveolar epithelium
    Influenza viruses and host cell — Stock Photo
    Influenza viruses and host cell
    Brucella bacteria, illustration. Gram-negative pleomorphic bacteria that cause brucellosis in cattle and humans and are transmitted to humans by direct contact with ill animal or by contaminated milk. — Stock Photo
    Brucella bacteria, illustration. Gram-negative pleomorphic bacteria that cause brucellosis in cattle and humans and are transmitted to humans by direct contact with ill animal or by contaminated milk.
    Driver seat with transmission lever skull handle — Stock Photo
    Driver seat with transmission lever skull handle
    Green Park cycle lane at morning rush hour during the national lockdown, Covid-19 World Pandemic; London, England — Stock Photo
    Green Park cycle lane at morning rush hour during the national lockdown, Covid-19 World Pandemic; London, England
    Prevention of transplacental HIV transmission to human embryo from infected mother, conceptual illustration. — Stock Photo
    Prevention of transplacental HIV transmission to human embryo from infected mother, conceptual illustration.
    Old man working in pandemic quarantine — Stock Photo
    Old man working in pandemic quarantine
    Transplacental transmission of HIV infecting 8 week human embryo, conceptual computer illustration. — Stock Photo
    Transplacental transmission of HIV infecting 8 week human embryo, conceptual computer illustration.
    Power pylon with power lines against blue sky — Stock Photo
    Power pylon with power lines against blue sky
    Prevention of transplacental HIV transmission to human embryo from infected mother, conceptual illustration. — Stock Photo
    Prevention of transplacental HIV transmission to human embryo from infected mother, conceptual illustration.
    Wind farm in Northern India; Rajasthan, India — Stock Photo
    Wind farm in Northern India; Rajasthan, India
    Vintage car placed on street — Stock Photo
    Vintage car placed on street
    Boy embracing smiling senior man, looking at camera — Stock Photo
    Boy embracing smiling senior man, looking at camera
    Transplacental transmission of Toxoplasma gondii parasites to human embryo, conceptual illustration. — Stock Photo
    Transplacental transmission of Toxoplasma gondii parasites to human embryo, conceptual illustration.
    Girl Test Driving Car — Stock Photo
    Girl Test Driving Car
    Trachea lining. Coloured transmission electron micrograph (TEM) of a longitudinal section through the lining of the trachea (windpipe), which links the larynx (voicebox) to the lungs — Stock Photo
    Trachea lining. Coloured transmission electron micrograph (TEM) of a longitudinal section through the lining of the trachea (windpipe), which links the larynx (voicebox) to the lungs
    Varicella zoster virus particle — Stock Photo
    Varicella zoster virus particle
    Abstract structure of neural network on dark background, digital illustration. — Stock Photo
    Abstract structure of neural network on dark background, digital illustration.
    Influenza viruses budding from host cell — Stock Photo
    Influenza viruses budding from host cell
    Power lines in desert landscape. — Stock Photo
    Power lines in desert landscape.
    Digital illustration of pyramidal nerve cells from cerebral cortex of brain. — Stock Photo
    Digital illustration of pyramidal nerve cells from cerebral cortex of brain.
    Power transmission towers at dusk near Winnipeg, Manitoba, Canada. — Stock Photo
    Power transmission towers at dusk near Winnipeg, Manitoba, Canada.
    Grandmother and little boy cooking food at kitchen — Stock Photo
    Grandmother and little boy cooking food at kitchen
    Set of tall posts arranged in rows, with overhead wires, low angle view — Stock Photo
    Set of tall posts arranged in rows, with overhead wires, low angle view
    Network mesh with connected lines, digital abstract illustration. — Stock Photo
    Network mesh with connected lines, digital abstract illustration.
    Covid-19, Coronavirus. Several covid-19 viruses infecting the human organism. Concept image of the virus inside human cells. — Stock Photo
    Covid-19, Coronavirus. Several covid-19 viruses infecting the human organism. Concept image of the virus inside human cells.
    Young girl standing wearing a protective mask to protect against COVID-19 during the Coronavirus World Pandemic; Toronto, Ontario, Canada — Stock Photo
    Young girl standing wearing a protective mask to protect against COVID-19 during the Coronavirus World Pandemic; Toronto, Ontario, Canada
    Zika virus particles — Stock Photo
    Zika virus particles