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Streptococcal pharyngitis, also known as streptococcal sore throat ( strep throat ), is pharyngitis (an infection of the pharynx, the back of the throat) caused by Streptococcus pyogenes, a gram-positive, group A streptococcus. [10] [11] Common symptoms include fever, sore throat, red tonsils, and enlarged lymph nodes in the front of the neck.
[1] [6] Symptoms usually last 3–5 days, but can be longer depending on cause. [2] [3] Complications can include sinusitis and acute otitis media. [2] Pharyngitis is a type of upper respiratory tract infection. [7] Most cases are caused by a viral infection. [2] Strep throat, a bacterial infection, is the cause in about 25% of children and 10% ...
An upper respiratory tract infection ( URTI) is an illness caused by an acute infection, which involves the upper respiratory tract, including the nose, sinuses, pharynx, larynx or trachea. [3] [4] This commonly includes nasal obstruction, sore throat, tonsillitis, pharyngitis, laryngitis, sinusitis, otitis media, and the common cold.
2–3 per year (adults) 6–8 per year (children) [ 13] The common cold or the cold is a viral infectious disease of the upper respiratory tract that primarily affects the respiratory mucosa of the nose, throat, sinuses, and larynx. [ 6][ 8] Signs and symptoms may appear in as little as two days after exposure to the virus. [ 6]
v. t. e. The symptoms of COVID-19 are variable depending on the type of variant contracted, ranging from mild symptoms to a potentially fatal illness. [ 1][ 2] Common symptoms include coughing, fever, loss of smell (anosmia) and taste (ageusia), with less common ones including headaches, nasal congestion and runny nose, muscle pain, sore throat ...
A viral disease (or viral infection) occurs when an organism's body is invaded by pathogenic viruses, and infectious virus particles (virions) attach to and enter susceptible cells. [ 1] Examples are the common cold, gastroenteritis and pneumonia. [ 2]
Gastroenteritis can be caused by viral, bacterial, or parasitic infections. Common routes of infection include: Fifty to seventy percent of cases of gastroenteritis in adults are caused by noroviruses (genus Norovirus, family Caliciviridae ). This virus is highly contagious and spreads rapidly. Norovirus is the most common cause of ...
Covid rates are still rising across most of the country, fueled by the highly contagious new variants of the virus — KP.2 and KP.3 and LB.1. As of July 18, the highest levels of Covid are in the ...