Common Treatments done by Medical Tourists in Costa Rica. Known initially for its excellent dental surgery services, medical tourism in Costa Rica has spread to a variety of other medical procedures, including: General and cosmetic dentistry; Cosmetic surgery; Aesthetic procedures (botox, skin resurfacing etc) Bariatric and Laparoscopic surgery
Viral infections that lead to sinusitis may be contagious; bacterial sinusitis is generally not. Itâs important to remember that most viral upper respiratory infections (common colds) cause nasal congestion, which may involve the sinuses.
An infected person is most contagious in the first few days after infection, but respiratory syncytial virus may spread for up to a few weeks after the start of infection. 1  Symptoms. 2  Risk factors.n infected person is most contagious in the first few days after infection, but respiratory syncytial virus may spread for up to a few weeks after the start of infection. 1  Symptoms. 2  Risk factors.