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    Influenza viruses budding from host cell — Stock Photo
    Influenza viruses budding from host cell
    Transplacental transmission of Toxoplasma gondii parasites to human embryo, conceptual illustration. — Stock Photo
    Transplacental transmission of Toxoplasma gondii parasites to human embryo, conceptual illustration.
    Mouse mammary tumour virus (MMTV) particles (blue), coloured transmission electron micrograph (TEM). MMTV induces malignant tumours in the mammary glands of certain strains of laboratory mice — Stock Photo
    Mouse mammary tumour virus (MMTV) particles (blue), coloured transmission electron micrograph (TEM). MMTV induces malignant tumours in the mammary glands of certain strains of laboratory mice
    Grandmother and little boy cooking food at kitchen — Stock Photo
    Grandmother and little boy cooking food at kitchen
    Coloured scanning electron micrograph of osteocyte bone cell surrounded by bone tissue. — Stock Photo
    Coloured scanning electron micrograph of osteocyte bone cell surrounded by bone tissue.
    From below tall modern radio tower located against majestic starry sky at wonderful night — Stock Photo
    From below tall modern radio tower located against majestic starry sky at wonderful night
    Power transmission towers at dusk near Winnipeg, Manitoba, Canada. — Stock Photo
    Power transmission towers at dusk near Winnipeg, Manitoba, Canada.
    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
    Osteoblasts. Colored transmission electron micrograph (TEM) of osteoblasts, bone-producing cells (purple and pink). They contain rough endoplasmic reticulum (RER), which produces, modifies and transports proteins, and nucleus — Stock Photo
    Osteoblasts. Colored transmission electron micrograph (TEM) of osteoblasts, bone-producing cells (purple and pink). They contain rough endoplasmic reticulum (RER), which produces, modifies and transports proteins, and nucleus
    Pharmaceutical research. Potential new medicines and vaccines on electron micrograph of virus — Stock Photo
    Pharmaceutical research. Potential new medicines and vaccines on electron micrograph of virus
    Old man working in pandemic quarantine — Stock Photo
    Old man working in pandemic quarantine
    Two Transmission Towers — Stock Photo
    Two Transmission Towers
    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.
    Power line with industrial chimney — Stock Photo
    Power line with industrial chimney
    Grandmother and little boy peeling an apple at home — Stock Photo
    Grandmother and little boy peeling an apple at home
    Coloured transmission electron micrograph (TEM) of a section through a Langerhans cell from the epidermis of the skin. — Stock Photo
    Coloured transmission electron micrograph (TEM) of a section through a Langerhans cell from the epidermis of the skin.
    Transplacental transmission of HIV infecting 8 week human embryo, conceptual illustration. — Stock Photo
    Transplacental transmission of HIV infecting 8 week human embryo, conceptual illustration.
    Crop view of anonymous man with her hand on the gear shift of an off-road car — Stock Photo
    Crop view of anonymous man with her hand on the gear shift of an off-road car
    Transplacental transmission of Toxoplasma gondii parasites to human embryo, conceptual illustration. — Stock Photo
    Transplacental transmission of Toxoplasma gondii parasites to human embryo, conceptual illustration.
    Clouds over satellite dishes, South Boston, Suffolk County, Massachusetts, USA — Stock Photo
    Clouds over satellite dishes, South Boston, Suffolk County, Massachusetts, USA
    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.
    Mucosa of the trachea — Stock Photo
    Mucosa of the trachea
    COVID-19, Coronavirus, group of viruses in worldwide pandemic concept — Stock Photo
    COVID-19, Coronavirus, group of viruses in worldwide pandemic concept
    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
    Motorcycles running on typical street in Hanoi — Stock Photo
    Motorcycles running on typical street in Hanoi
    Dramatic rocky cliffed shoreline with the glow of sunset with large white satellite dishes in the background; Cornwall County, England — Stock Photo
    Dramatic rocky cliffed shoreline with the glow of sunset with large white satellite dishes in the background; Cornwall County, England
    Off road vehicle driving through desert, Abu Dhabi, UAE — Stock Photo
    Off road vehicle driving through desert, Abu Dhabi, UAE
    Carcinoma cell, coloured transmission electron micrograph (TEM). — Stock Photo
    Carcinoma cell, coloured transmission electron micrograph (TEM).
    Mid section of woman using ticket vending machine at station — Stock Photo
    Mid section of woman using ticket vending machine at station
    Pipeline in Eastern Iceland; Skutustadahreppur, Northeastern Region, Iceland — Stock Photo
    Pipeline in Eastern Iceland; Skutustadahreppur, Northeastern Region, Iceland
    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
    Malaria-infected mosquito piercing skin and transmitting malaria parasites into bloodstream. — Stock Photo
    Malaria-infected mosquito piercing skin and transmitting malaria parasites into bloodstream.
    Intestinal brush border in small intestine showing numerous microvilli, colored transmission electron micrograph. — Stock Photo
    Intestinal brush border in small intestine showing numerous microvilli, colored transmission electron micrograph.
    Transplacental transmission of Toxoplasma gondii parasites to human embryo, conceptual illustration. — Stock Photo
    Transplacental transmission of Toxoplasma gondii parasites to human embryo, conceptual illustration.
    Macrophage. Coloured transmission electron micrograph (TEM) of a macrophage cell. The cell's nucleus is red. Mitochondria (orange) in the cell's cytoplasm produce energy for the cell. Lysosomes (black) contain enzymes for digesting foreign particles. — Stock Photo
    Macrophage. Coloured transmission electron micrograph (TEM) of a macrophage cell. The cell's nucleus is red. Mitochondria (orange) in the cell's cytoplasm produce energy for the cell. Lysosomes (black) contain enzymes for digesting foreign particles.
    High voltage transmission lines at west of Clinton, British Columbia, Canada — Stock Photo
    High voltage transmission lines at west of Clinton, British Columbia, Canada
    Power pylon on country plains under clouds in Texas, USA — Stock Photo
    Power pylon on country plains under clouds in Texas, USA
    Feline caliciviruses particles — Stock Photo
    Feline caliciviruses particles
    Abstract structure of neural network on dark background, digital illustration. — Stock Photo
    Abstract structure of neural network on dark background, digital illustration.
    Ductal carcinoma of the breast — Stock Photo
    Ductal carcinoma of the breast
    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.
    Grandmother and little boy peeling an apple at kitchen — Stock Photo
    Grandmother and little boy peeling an apple at kitchen
    Viral lung infection, illustration. Inflamed lungs infected with virus particles. — Stock Photo
    Viral lung infection, illustration. Inflamed lungs infected with virus particles.
    Cables for public transportation in low angle view — Stock Photo
    Cables for public transportation in low angle view
    Nerve cell, computer illustration — Stock Photo
    Nerve cell, computer illustration
    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
    Pharmaceutical research. Potential new medicines and vaccines on electron micrograph of virus — Stock Photo
    Pharmaceutical research. Potential new medicines and vaccines on electron micrograph of virus
    Stylish woman using ticket vending machine at station — Stock Photo
    Stylish woman using ticket vending machine at station
    Seminiferous tubules and lending cells — Stock Photo
    Seminiferous tubules and lending cells
    Transplacental transmission of Toxoplasma gondii parasites to human embryo, conceptual illustration. — Stock Photo
    Transplacental transmission of Toxoplasma gondii parasites to human embryo, conceptual illustration.
    Top view minimalistic layout of bunch of multicolored electric cables on bright yellow background — Stock Photo
    Top view minimalistic layout of bunch of multicolored electric cables on bright yellow background
    Sunrise On Highway with car — Stock Photo
    Sunrise On Highway with car
    Microvilli from the small intestine — Stock Photo
    Microvilli from the small intestine
    Driver seat with transmission lever skull handle — Stock Photo
    Driver seat with transmission lever skull handle
    Carcinoma cell, coloured transmission electron micrograph (TEM). — Stock Photo
    Carcinoma cell, coloured transmission electron micrograph (TEM).
    Network mesh with connected lines, digital abstract illustration. — Stock Photo
    Network mesh with connected lines, digital abstract illustration.
    Lung tissue, coloured transmission electron micrograph (TEM). — Stock Photo
    Lung tissue, coloured transmission electron micrograph (TEM).
    From below big red telecommunication tower on background of cloudy sky. — Stock Photo
    From below big red telecommunication tower on background of cloudy sky.
    Classic car at high speed — Stock Photo
    Classic car at high speed
    Influenza viruses and host cell — Stock Photo
    Influenza viruses and host cell