With influenza on the rise in america, a CHOC professional offers an summary of the virus, the situations it causes and when dad and mom ought to fear.
On this Q&A, Dr. Antonio Arrieta, an infectious illness specialist at CHOC, solutions some widespread questions dad and mom have about influenza B.
What’s influenza B?
Influenza, generally often called the flu, is a extremely contagious respiratory sickness brought on by influenza viruses. Its severity can differ from delicate to extreme, and in some circumstances, can result in severe issues like pneumonia, bronchitis, or worsening of power situations equivalent to bronchial asthma or coronary heart illness. Not often it could end in life threatening issues equivalent to encephalitis (irritation of the mind), respiratory failure requiring assisted air flow and infrequently dying.
What’s the distinction between the flu and the chilly?
Each the flu and the widespread chilly are contagious respiratory sicknesses, however completely different viruses trigger them. Flu is brought on by influenza viruses solely, whereas the widespread chilly could be triggered by a wide range of viruses, together with rhinoviruses, parainfluenza, and seasonal coronaviruses.

What are the signs of influenza B?
Signs of Influenza B might embrace:
- fever
- physique aches
- chills
- headache
- runny or stuffy nostril
- gastrointestinal points in just a few circumstances like nausea and diarrhea
- typically, muscle ache could be extreme and should require hospitalization
How are you going to assist stop influenza B?
Stopping and managing influenza B could be supported by way of vaccination, good hygiene practices, and antiviral medicines. It’s essential for everybody in your loved ones to get their flu shot yearly.
The Facilities for Illness Management and Prevention (CDC) recommends that everybody aged 6 months and older obtain their annual flu vaccination by late October, ideally earlier than the beginning of flu season.
Nonetheless, when you haven’t acquired your flu shot but, it’s not too late! The vaccine continues to be extremely advisable for anybody who hasn’t been vaccinated. Not solely does it assist shield you from the flu, however it considerably lowers the chance of extreme issues, equivalent to hospitalizations and even dying.
The flu shot doesn’t trigger the flu and helps preserve children and oldsters from getting sick. Infants youthful than 6 months can’t get the vaccine. But when their dad and mom, different caregivers, and older children within the family get it, that may assist shield the child.
How is influenza B transmitted?
Influenza spreads by way of respiratory droplets when an contaminated particular person coughs, sneezes, and even talks. It’s common for individuals to cowl their mouths once they cough, however they need to then wash their palms as our palms are a typical option to contaminate surfaces or to go the virus to others by way of a pleasant handshake.
What’s the therapy for influenza B?
Remedy for Influenza B primarily focuses on easing signs whereas the physique fights off the virus. Antiviral medicines can assist shorten the period and cut back the severity of signs. Antiviral remedy must be strongly thought-about when influenza (A or B) is recognized or when somebody is searching for medical consideration for influenza like sickness (ILI). That is of better significance in youngsters and different individuals with underlying illnesses which or require therapies that weaken the immune system or with power respiratory sickness like bronchial asthma.
How contagious is influenza B?
Influenza B is extremely contagious and may unfold by way of respiratory droplets when an contaminated particular person coughs or sneezes.
Folks with the flu could be contagious about sooner or later earlier than signs begin and as much as 5 to seven days after they start to really feel sick. Nonetheless, younger youngsters might stay contagious for an extended interval than adults. People with weakened immune methods could be contagious for a number of weeks.Â
Is influenza B bacterial or viral?
Influenza B is a extremely contagious viral an infection that spreads by way of the air.Â
How does influenza B have an effect on the physique?
Influenza B primarily targets the respiratory system, inflicting discomfort all through the physique. The virus primarily infects the nostril, throat, and typically the lungs, resulting in signs like cough, congestion, and a sore throat.
Though much less widespread in adults, youngsters may expertise gastrointestinal signs equivalent to nausea, vomiting, and diarrhea, alongside the everyday respiratory signs. Extreme muscle ache is widespread in sufferers with influenza B.
keep away from spreading the flu?
- Keep away from shut contact with others till you may have been fever-free for at the least 24 hours with out utilizing fever-reducing medicines.
- Make sure you clear and disinfect incessantly touched surfaces like doorknobs, counter tops, and light-weight switches.Â
- Cowl your nostril and mouth when sneezing and wash your palms with cleaning soap and water or use hand sanitizer recurrently.
When must you search medical recommendation for the flu?
Contemplate searching for medical consideration you probably have ILI, as antiviral remedy could also be useful. It’s best to search medical consideration in case your signs persist for greater than 5 days or when you’re feeling worse or not bettering after 2 – 3 days. Should you develop new fever, chest ache or issue respiratory inside 1 – 3 weeks after influenza or ILI. It’s best to search medical consideration since severe bacterial infections typically observe uncomplicated influenza.
Why do individuals want a flu vaccine yearly?
Even when you acquired the flu vaccine final 12 months, it could not supply sufficient safety this 12 months as a consequence of modifications within the flu viruses. That’s why the flu vaccine is up to date yearly to incorporate probably the most present strains of the virus.
Generally, the identical strains from one 12 months are included within the subsequent, however it’s nonetheless essential to get the flu vaccine every year. Over time, the physique’s immunity towards the influenza virus weakens, so common vaccination is important.
Getting the flu vaccine not solely protects you but in addition helps safeguard these round you. It reduces your probabilities of getting the flu and, because of this, lowers the chance of spreading it to others.
How are you going to recuperate from the flu?
To assist your restoration, ensure you get loads of relaxation, keep hydrated, and take over-the-counter medicines like acetaminophen to assist handle signs.
Don’t use medicines like ibuprofen, until instructed by a well being care supplier. Don’t take aspirin when you may have influenza or ILI, notably you probably have influenza B.
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