- Can viruses affect your nervous system?
- Does the flu virus affect the brain?
- Can the flu damage your heart?
- Does the flu weaken your immune system?
- What are the stages of flu?
- How long does the flu virus live in your body?
- What is the normal course of the flu?
- How long does flu brain last?
- What viruses affect the brain?
- When your immune system attacks your nervous system?
- What happens when your immune system attacks your nervous system?
- What body systems are affected by influenza?
- What virus attacks the nervous system?
- How does the flu leave your body?
- What are the lingering effects of the flu?
- What are the symptoms of nerve damage?
- How do you know when the flu is almost over?
- Who gets the flu most often?
Can viruses affect your nervous system?
Virus infections usually begin in peripheral tissues and can invade the mammalian nervous system (NS), spreading into the peripheral (PNS) and more rarely the central nervous systems (CNS).
The CNS is protected from most virus infections by effective immune responses and multi-layer barriers..
Does the flu virus affect the brain?
Although influenza is considered to be a respiratory disease, it has been associated with neurological symptoms in some cases. However, the long-term effects of flu on the brain have not been studied. Martin Korte and colleagues investigated three different flu strains (H1N1, H3N2, H7N7) in mice.
Can the flu damage your heart?
Flu is a respiratory illness and because of that, patients can develop problems with appropriate oxygen levels, which can affect every organ in the body, including the heart. It can especially take a toll on the heart if you already have heart problems.
Does the flu weaken your immune system?
Usually, we start recovering from flu symptoms after five days, but due to the sustained high level of glucocorticoids, our immune systems are still suppressed and our bodies still susceptible to a plethora of pathogens.
What are the stages of flu?
What to expect with the fluDays 1–3: Sudden appearance of fever, headache, muscle pain and weakness, dry cough, sore throat and sometimes a stuffy nose.Day 4: Fever and muscle aches decrease. Hoarse, dry or sore throat, cough and possible mild chest discomfort become more noticeable. … Day 8: Symptoms decrease.
How long does the flu virus live in your body?
Most healthy adults may be able to infect others beginning 1 day before symptoms develop and up to 5 to 7 days after becoming sick. Children and some people with weakened immune systems may pass the virus for longer than 7 days.
What is the normal course of the flu?
Uncomplicated influenza signs and symptoms typically resolve after 3-7 days for the majority of people, although cough and malaise can persist for >2 weeks, especially in elderly people and those with chronic lung disease.
How long does flu brain last?
(Researchers used symptoms checklists to rule out flu.) The mental haze that comes with a head cold lasts longer than you’d think. Cognitive impairments start in the incubation period – 24 to 48 hours before other cold symptoms strike – and persist for a couple of days after the coughing and sneezing stop.
What viruses affect the brain?
Viruses such as cytomegalovirus, rubella, and lymphocytic choriomeningitis virus cause serious abnormalities if the developing brain is infected, and depending on the site and age of fetal infection, can generate overlapping but distinct symptoms such as deafness, blindness, epilepsy, hydrocephalus, and/or reduced IQ …
When your immune system attacks your nervous system?
Guillain-Barre (gee-YAH-buh-RAY) syndrome is a rare disorder in which your body’s immune system attacks your nerves. Weakness and tingling in your extremities are usually the first symptoms. These sensations can quickly spread, eventually paralyzing your whole body.
What happens when your immune system attacks your nervous system?
Guillain-Barré syndrome is a rare but serious autoimmune disorder in which the immune system attacks healthy nerve cells in your peripheral nervous system (PNS). This leads to weakness, numbness, and tingling, and can eventually cause paralysis.
What body systems are affected by influenza?
Influenza is a viral infection that attacks your respiratory system — your nose, throat and lungs.
What virus attacks the nervous system?
Viruses that infect the central nervous system (brain and spinal cord) include herpesviruses (see also herpes simplex virus infections), arboviruses, coxsackieviruses, echoviruses, and enteroviruses.
How does the flu leave your body?
Mucus is designed to trap offending viruses, which are efficiently and quickly expelled from the body through coughing and sneezing. Fever—Fevers fight influenza viruses. Because viruses are sensitive to temperature changes and cannot survive above normal body heat, your body uses fever to help destroy them.
What are the lingering effects of the flu?
They include viral or bacterial pneumonia, dehydration, and ear infections and sinus infections, especially in children. The flu can worsen long-term medical conditions, like congestive heart failure, asthma, or diabetes.
What are the symptoms of nerve damage?
The signs of nerve damage include the following:Numbness or tingling in the hands and feet.Feeling like you’re wearing a tight glove or sock.Muscle weakness, especially in your arms or legs.Regularly dropping objects that you’re holding.Sharp pains in your hands, arms, legs, or feet.More items…
How do you know when the flu is almost over?
Flu symptoms, including fever, should go away after about 5 days, but you may still have a cough and feel weak a few days longer. All your symptoms should be gone within 1 to 2 weeks.
Who gets the flu most often?
The same CID study found that children are most likely to get sick from flu and that people 65 and older are least likely to get sick from influenza. Median incidence values (or attack rate) by age group were 9.3% for children 0-17 years, 8.8% for adults 18-64 years, and 3.9% for adults 65 years and older.