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Symbolic illustration of infectious viruses under the microscope, for example influenza viruses, smallpox, measles or similar. Medical research and investigation of diseases and healthcare concept.

Growth of Staphylococcus. Sputum Culture in blood agar media.

Striatella unipunctata algae under microscopic view, phytoplankton, fossils, silica, golden yellow algae

Lactose-negative biofilm-forming Enterobacter cloacae, resistant to multiple drugs. Enterobacter cloacae is a member of the normal gut flora. These bacteria are responsable for many hospital-acquired infections for which the mortality rate is generally high.

Ciprofloxacin antibiotic resistance showing in petri dish, selective focus.

Observation of a petri dish. Aspergillus brasiliensis

Yellow flowers of black mullein (Verbascum nigrum) plant in wild nature

Laboratory analysis. A biologist holds a Petri dish in which a specie of fungus (Penicillium funicolosum) has grown from indoor aerial sample. Selective focus on the Petri dish.

High quality abstract stock photos of downtown San Francisco's financial district buildings and high rises with repeating patterns and shapes in reflective glass and steel along Market Street.

The picture of Airborne mold (fungi) trapped on petri-dish represents the concepts of health risk and indoor air quality

$Streptococcus pneumoniae causes acute bacterial infections. Streptococcus pneumonia can be\ndifferentiated from other alpha-hemolytic streptococci\nbased on its susceptibility to optochin ( the disk is visible on the pic).$

Acollection of images about dates isolated on a white background.

A petri dish with a bacterial colony and test tube with chemical material on a desk in a medical laboratory

Different types in cell development glass dishes on desk. Group of Petri dishes with different culture media and micro organisms grown.

A fungal colony isolated in the scientific research laboratory

An old female hand hangs a print out with the examination results.

white painted wood texture abstract background macro photography

$WHO says that it is estimated that ETEC causes about 220 million diarrhoea episodes globally, with about 75 million episodes in children under 5 years of age, resulting in between 18 700 and 42 000 deaths in children younger than 5 years. Several vaccines are in the pipeline.\nETEC is also a very common cause of traveler's diarrhea, this infection is usually self limiting, with no need for antibiotics. ETEC is common in developing countries.$

Sensitivity test of salmonella in blood agar media.

Close-up shot of a petri dish for checking an antibiotic in the laboratory.

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