Which of the following are examples of diseases caused by viruses?
Examples
- measles.
- rubella.
- chickenpox/shingles.
- roseola.
- smallpox.
- fifth disease.
- chikungunya virus infection.
What are infectious diseases also known as?
Communicable diseases, also known as infectious diseases or transmissible diseases, are illnesses that result from the infection, presence and growth of pathogenic (capable of causing disease) biologic agents in an individual human or other animal host.
What is the deadliest illness?
The world’s biggest killer is ischaemic heart disease, responsible for 16% of the world’s total deaths. Since 2000, the largest increase in deaths has been for this disease, rising by more than 2 million to 8.9 million deaths in 2019.
What are the four serious symptoms of Covid 19?
Look for emergency warning signs* for COVID-19:
- Trouble breathing.
- Persistent pain or pressure in the chest.
- New confusion.
- Inability to wake or stay awake.
- Pale, gray, or blue-colored skin, lips, or nail beds, depending on skin tone.
What is the pathophysiology of acute exacerbation of chronic sinusitis?
This acute exacerbation of chronic sinusitis is often polymicrobial as well, with anaerobic bacteria predominating. However, aerobic bacteria that are usually associated with acute sinusitis (eg, S pneumoniae, H influenzae, M catarrhalis) may emerge.
What is the treatment for acute ethmoidal sinusitis?
Acute Ethmoid Sinusitis. The typical case of acute ethmoidal sinusitis is treated with medical therapy. Medical treatment can reduce the inflammation and edema of the mucosa, alleviate the pain, combat the infection, open the ostia of the sinuses, and restore normal mucociliary secretions.
What is the etiology of chronic sinusitis (sinus infection)?
The etiology of chronic sinusitis is multifactorial. The interaction between many systemic, local host, and environmental factors contribute to sinus inflammation and to the pathophysiology of the disease.
What are the symptoms of acute bacterial rhinosinusitis?
Symptoms of acute bacterial rhinosinusitis include the following: 1 Facial pain or pressure (especially unilateral). 2 Hyposmia/anosmia. 3 Nasal congestion. 4 Nasal drainage. 5 Postnasal drip. 6 (5 more items)