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Humans are the primary natural reservoir for group A streptococcus. [17] Other bacteria such as non–group A β-hemolytic streptococci and fusobacterium may also cause pharyngitis. [13] [15] It is spread by direct, close contact with an infected person; thus crowding, as may be found in the military and schools, increases the rate of transmission.
A related condition called sexually induced sneezing also exists, where people sneeze, sometimes uncontrollably, when engaging in or even thinking about sexual activity. [8] A phenomenon presumably related to honeymoon rhinitis is the frequent side effect of nasal congestion during the use of Viagra or related phosphodiesterase type 5 ...
[40] [97] Although normal exposure to cold does not increase one's risk of infection, severe exposure leading to significant reduction of body temperature (hypothermia) may put one at a greater risk for the common cold: although controversial, the majority of evidence suggests that it may increase susceptibility to infection. [99]
Symptoms of respiratory syncytial virus, or RSV, may start off similar to a common cold, with sneezing and a runny nose. But a “barking or wheezing cough” may be your sign that it has ...
Rhinitis is commonly caused by a viral or bacterial infection, including the common cold, which is caused by Rhinoviruses, Coronaviruses, and influenza viruses, others caused by adenoviruses, human parainfluenza viruses, human respiratory syncytial virus, enteroviruses other than rhinoviruses, metapneumovirus, and measles virus, or bacterial ...
The Mayo Clinic explains that this condition may surface in the wake of an upper respiratory infection or head injury, and that more serious causes could include Parkinson’s disease or temporal ...
Holiday gatherings can increase the risk of spreading infections. Doctors share tips to keep from getting sick when spending time with family and friends. 6 ways to prevent holiday illness: Ask a ...
Respiratory droplets are produced naturally as a result of breathing, speaking, sneezing, coughing, or vomiting, so they are always present in our breath, but speaking and coughing increase their number. [1] [2] [3] Droplet sizes range from < 1 μm to 1000 μm, [1] [2] and in typical breath there are around 100 droplets per litre of breath. So ...