Influenza, entirely different from the common cold, refers to acute respiratory illnesses caused by influenza viruses. It is recommended to get vaccinated against influenza, especially for individuals with weakened immune systems, such as children and the elderly. When these vulnerable groups contract the flu, it can lead to complications like meningitis and, in severe cases, even death. Since influenza has a designated epidemic period, getting vaccinated for the flu is essential before it peaks.
When is the Right Time for Vaccination?
When you catch the flu, you experience high fever, chills, headaches, cough, and respiratory issues. After receiving the flu vaccine, it takes about two weeks for antibodies to develop, and the protection typically lasts for around six months. Therefore, it is advisable to complete the vaccination by November at the latest, with vaccinations starting as early as October.
Morning Shots are Preferable
Considering a 24-hour time frame, when is the best time to receive a flu shot? Research indicates that people who receive their shots in the morning produce significantly more antibodies a month later than those vaccinated in the afternoon. Timing your vaccine correctly can have a positive impact on antibody response. Additionally, getting vaccinated early is wise to be prepared for any potential side effects that might necessitate a return visit to the hospital.
3-Strain vs. 4-Strain Vaccine
Flu vaccines are commonly available as either trivalent (3-strain) or quadrivalent (4-strain). The critical difference lies in the number of influenza virus strains they protect against. Trivalent vaccines guard against three strains, including A-type influenza (2 strains) and B-type influenza (1 strain). Quadrivalent vaccines, on the other hand, protect against multiple strains of A-type (2 strains) and B-type (several strains) influenza viruses.
Immune Overreaction Can Lead to Rashes
Did you know that flu shots can sometimes trigger immune overreactions, resulting in conditions like hives? When you receive the flu vaccine, it temporarily introduces the influenza virus into your body. Your immune system may initiate an overactive response to protect your body, potentially leading to hives. Healthcare providers can prescribe anti-inflammatory medications and antihistamines to alleviate itching if this occurs. If these measures don’t work, an antihistamine injection may be recommended.
Does the Flu Shot Guarantee Immunity?
If you get the flu shot, does that mean you won’t catch the flu? Current vaccines exhibit an efficacy rate of over 80%. However, new virus strains emerge yearly, so flu vaccines aren’t foolproof. Hence, even after vaccination, adhering to hygiene practices like frequent handwashing is crucial to enhance your chances of staying flu-free.
Hallucinations as a Side Effect?
While flu shots have several potential side effects, some have circulated rumors that they can cause hallucinations, sparking fear among the public. However, these claims are related to “Tamiflu,” a treatment for influenza, rather than the flu vaccine itself. Such side effects are more common in children, and as a precaution, parents are advised to monitor their children for any unusual reactions closely.
Don’t Scratch that Itch
After receiving a flu shot, avoid scratching if you experience itching. Repeated scratching can worsen inflammation and may result in scarring. Consider using a cold compress or an anti-itch cream to soothe the itch. Additionally, minimize activities that can exacerbate itching, such as drinking alcohol or visiting saunas, for some time.
Egg Allergy Concerns
If you have an egg allergy, it’s essential to exercise caution before getting the flu shot. The flu vaccine contains egg components, which can trigger allergic reactions. However, having an egg allergy doesn’t necessarily rule out vaccination. If you have previously experienced anaphylaxis or severe symptoms like gastrointestinal issues or low blood pressure after consuming eggs, consult a healthcare professional before receiving the vaccine.
A Must for Individuals with Underlying Conditions
There’s a common misconception among older people that they shouldn’t get the flu shot due to weakened immune systems. However, this is a significant misconception. In fact, getting vaccinated is crucial for individuals aged 65 and older, chronic illness sufferers, and pregnant women. Although seniors and those with chronic conditions may experience fever after vaccination, it’s essential to consult a primary care physician about their health status before receiving the shot.
Get More Sleep Than Usual
After getting vaccinated, it’s advisable to rest and avoid scheduling any other activities for the evening. Sleep is not just about relaxing; it’s a process that optimizes your body’s homeostasis. Insufficient sleep can weaken your immune system, and sleeping less than five hours a night can diminish the vaccine’s effectiveness. If you must nap after vaccination, limit it to no more than 30 minutes.
By. Shin Young (press@daily.co.kr)
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