Influenza viruses primarily affect the respiratory system. They spread through droplets from coughs, sneezes, or talking and can also spread by touching contaminated surfaces and then touching the face. The flu typically occurs in seasonal outbreaks.
Symptoms
Influenza, commonly known as the flu, is a contagious respiratory illness caused by influenza viruses. The symptoms of Influenza include:
- Common Symptoms: Fever, cough, sore throat, runny or stuffy nose, muscle or body aches, headaches, and fatigue.
- Additional Symptoms: Chills, sweats, and sometimes gastrointestinal symptoms like nausea or vomiting, particularly in children.
- Severe Symptoms: Difficulty breathing, chest pain, confusion, and sudden dizziness.
Prevention
- Vaccination: Annual flu vaccines help protect against the most common strains of the virus.
- Good Hygiene: Regularly hand washing, using hand sanitizers, and covering coughs and sneezes.
- Avoiding Close Contacts: Especially with individuals showing flu symptoms.
Treatment
- Antiviral Medications: Such as oseltamivir (Tamiflu) or zanamivir (Relenza) can reduce the severity and duration of symptoms if taken early.
- Supportive Care: Rest, fluids, and over-the-counter medications to relieve symptoms.
People more likely to get influenza include
- Unvaccinated Individuals: Those who have not received the annual flu vaccine.
- Young Children: Particularly those under 5 years old, who have less developed immune systems.
- Older Adults: People aged 65 and older, who are more vulnerable to complications.
- People with Chronic Health Conditions: Such as asthma, diabetes, heart disease, or chronic lung disease.
- Healthcare Workers: Due to frequent exposure to sick patients.
- Individuals in Congregate Settings: Such as long-term care facilities, schools, and daycare centers.
Key Points
People more likely to get influenza include unvaccinated individuals, young children, older adults, pregnant women, and those with chronic health conditions, healthcare workers, and individuals in congregate settings.