Punctate Keratitis causes
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A salivary gland infection occurs when a bacterial or viral infection affects your salivary gland or duct. The condition is called sialadenitis.
Common colds and influenza are contagious infections that affect the respiratory system. Both are airborne illnesses, spread through coughing and sneezing. Shared symptoms include headache, cough, sore throat, and more.
A gram stain is a type of microbiology or laboratory test that determines whether bacteria are present. It also determines whether bacteria are gram negative or gram positive.