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    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
    Grandmother and little boy cooking food at kitchen — Stock Photo
    Grandmother and little boy cooking food at kitchen
    Coloured transmission electron micrograph (TEM) of a transverse section through an artery. — Stock Photo
    Coloured transmission electron micrograph (TEM) of a transverse section through an artery.
    Young girl standing at a playground wearing a protective mask to protect against COVID-19 during the Coronavirus World Pandemic; Toronto, Ontario, Canada — Stock Photo
    Young girl standing at a playground wearing a protective mask to protect against COVID-19 during the Coronavirus World Pandemic; Toronto, Ontario, Canada
    Viral lung infection, illustration. Inflamed lungs infected with virus particles. — Stock Photo
    Viral lung infection, illustration. Inflamed lungs infected with virus particles.
    Aerial image of high voltage poles at a glacier river in Iceland — Stock Photo
    Aerial image of high voltage poles at a glacier river in Iceland
    Neurone embedded in grey matter — Stock Photo
    Neurone embedded in grey matter
    Zika virus particles — Stock Photo
    Zika virus particles
    Colorful digital illustration of neural network of nervous system in human brain. — Stock Photo
    Colorful digital illustration of neural network of nervous system in human brain.
    Father and son fishing in a lake — Stock Photo
    Father and son fishing in a lake
    Senior man and boy holding model boat outdoors — Stock Photo
    Senior man and boy holding model boat outdoors
    Man wearing a mask and gloves walking on a path outside using his smart phone during the Covid-19 world pandemic; Edmonton, Alberta, Canada — Stock Photo
    Man wearing a mask and gloves walking on a path outside using his smart phone during the Covid-19 world pandemic; Edmonton, Alberta, Canada
    Mature virus and budding release of HIV — Stock Photo
    Mature virus and budding release of HIV
    Platelets in blood vessel — Stock Photo
    Platelets in blood vessel
    Chlamydia bacteria, illustration — Stock Photo
    Chlamydia bacteria, illustration
    Zika virus particles — Stock Photo
    Zika virus particles
    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
    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
    From below big red telecommunication tower on background of cloudy sky. — Stock Photo
    From below big red telecommunication tower on background of cloudy sky.
    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
    Platelets in blood vessel — Stock Photo
    Platelets in blood vessel
    Digital illustration of pyramidal nerve cells from cerebral cortex of brain. — Stock Photo
    Digital illustration of pyramidal nerve cells from cerebral cortex of brain.
    Bangkok, Thailand - October 1, 2013 : High angle view of traffic jam during nighttime, Thailand, Bangkok — Stock Photo
    Bangkok, Thailand - October 1, 2013 : High angle view of traffic jam during nighttime, Thailand, Bangkok
    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.
    Nerve cell, computer illustration — Stock Photo
    Nerve cell, computer illustration
    Man wearing a mask and gloves walking on a path outside using his smart phone during the Covid-19 world pandemic; Edmonton, Alberta, Canada — Stock Photo
    Man wearing a mask and gloves walking on a path outside using his smart phone during the Covid-19 world pandemic; Edmonton, Alberta, Canada
    Coloured TEM of a cluster of rotaviruses — Stock Photo
    Coloured TEM of a cluster of rotaviruses
    Digital illustration of pyramidal nerve cells from cerebral cortex of brain. — Stock Photo
    Digital illustration of pyramidal nerve cells from cerebral cortex of brain.
    Transplacental transmission of Toxoplasma gondii parasites to human embryo, conceptual illustration. — Stock Photo
    Transplacental transmission of Toxoplasma gondii parasites to human embryo, conceptual illustration.
    Radio tower against starry sky — Stock Photo
    Radio tower against starry sky
    Vintage car placed on street — Stock Photo
    Vintage car placed on street
    Boy at home with smart phone wearing protective mass to protect against COVID-19 during the Coronavirus World Pandemic, and a girl in the background; Toronto, Ontario, Canada — Stock Photo
    Boy at home with smart phone wearing protective mass to protect against COVID-19 during the Coronavirus World Pandemic, and a girl in the background; Toronto, Ontario, Canada
    Woman holding plant with her daughter smelling it — Stock Photo
    Woman holding plant with her daughter smelling it
    Coronavirus (Covid-19) with a mask on a white background — Stock Photo
    Coronavirus (Covid-19) with a mask on a white background
    Grandmother and little boy peeling fruit at home — Stock Photo
    Grandmother and little boy peeling fruit at home
    Communications tower in field in Oregon, United States — Stock Photo
    Communications tower in field in Oregon, United States
    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
    Men wearing masks and gloves walking on a path by the Legislature during the Covid-19 world pandemic; Edmonton, Alberta, Canada — Stock Photo
    Men wearing masks and gloves walking on a path by the Legislature during the Covid-19 world pandemic; Edmonton, Alberta, Canada
    Radio tower against starry sky — Stock Photo
    Radio tower against starry sky
    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.
    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
    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
    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.
    Influenza viruses budding from host cell — Stock Photo
    Influenza viruses budding from host cell
    Scenic view of power lines running through a forest of pruned pine trees, Illinois, USA — Stock Photo
    Scenic view of power lines running through a forest of pruned pine trees, Illinois, USA
    Grandmother and little boy cooking food at kitchen — Stock Photo
    Grandmother and little boy cooking food at kitchen
    Digital illustration of pyramidal nerve cells from cerebral cortex of brain. — Stock Photo
    Digital illustration of pyramidal nerve cells from cerebral cortex of brain.
    Grandmother and little boy kneading dough at kitchen — Stock Photo
    Grandmother and little boy kneading dough 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.
    Low angle view, crossing wires overhead, telegraph pole, infrastructure — Stock Photo
    Low angle view, crossing wires overhead, telegraph pole, infrastructure
    Peripheral nerve. Coloured transmission electron micrograph (TEM) of a section through a small peripheral nerve. Myelin( brown) is an insulating fatty layer that surrounds the myelinated nerve fibres (blue) — Stock Photo
    Peripheral nerve. Coloured transmission electron micrograph (TEM) of a section through a small peripheral nerve. Myelin( brown) is an insulating fatty layer that surrounds the myelinated nerve fibres (blue)
    Grandmother and little boy cooking food at kitchen — Stock Photo
    Grandmother and little boy cooking food at kitchen
    Grandmother and little boy kneading dough at kitchen — Stock Photo
    Grandmother and little boy kneading dough at kitchen
    Transportation infrastructure with flyovers at motorway interchange in West Bromwich, West Midlands, UK. — Stock Photo
    Transportation infrastructure with flyovers at motorway interchange in West Bromwich, West Midlands, UK.
    COVID-19. Syringe, protective mask and disinfectant gel, latex gloves. Products to prevent coronavirus. on white background Isolated.Quarantine — Stock Photo
    COVID-19. Syringe, protective mask and disinfectant gel, latex gloves. Products to prevent coronavirus. on white background Isolated.Quarantine
    Striated muscle. Coloured transmission electron micrograph (TEM) of a longitudinal section through striated skeletal muscle. The striated banding-pattern of the muscle fibrils is seen — Stock Photo
    Striated muscle. Coloured transmission electron micrograph (TEM) of a longitudinal section through striated skeletal muscle. The striated banding-pattern of the muscle fibrils is seen
    Police Car parked — Stock Photo
    Police Car parked
    Pipeline in Eastern Iceland; Skutustadahreppur, Northeastern Region, Iceland — Stock Photo
    Pipeline in Eastern Iceland; Skutustadahreppur, Northeastern Region, Iceland
    Chlamydia bacteria, illustration — Stock Photo
    Chlamydia bacteria, illustration
    Neural network with connections, conceptual digital illustration. — Stock Photo
    Neural network with connections, conceptual digital illustration.