Showing posts with label Vaccine. Show all posts
Showing posts with label Vaccine. Show all posts

7/22/2013

The latest outbreak of H1N1 viral influenza commonly referred to as swine flu or Mexican flu hit the world in the early part of 2009. Although the current outbreak was termed Novel Influenza A' in the US, previous smaller outbreaks have occurred in Europe and elsewhere. Because of the frequently recurring avian flu outbreaks over the past few years, both the WHO and most countries were better prepared to control the swine flu outbreak. Unlike the avian flu virus, there has been no record of transmission of this flu virus from animals / birds to humans and it is safe to eat cooked pork products. So far the infection has spread only between humans, but there is always the risk that the virus will mutate and eventually transmit between different species.



Most people who have been infected by the flu have shown only mild symptoms and the normal precautions taken for those afflicted with seasonal flu should suffice. These include vaccination (when made available in the market), washing hands, sufficient rest and sleep, exercise, balanced diet with emphasis on fruit and vegetables and avoiding crowds. Covering the face while sneezing or coughing and staying at home during the period of illness (with some level of isolation) also helps in preventing the spread from an infected person; there is some doubt as to how effective face masks are, in this regard. The most common symptoms are body ache, fever, coughing (dry), sneezing, headaches and in some instances - diarrhoea and vomiting. Stricter control and more care is needed for the high risk group comprising people likely to be more severely affected by the virus and these include children below 5 years of age, the elderly (above 65), pregnant women, people with asthma, diabetes, obesity, heart disease and people having muscular and nervous system concerns; hospitalisation may be the best option in extreme cases.



Vaccines used for treating the common influenza have not worked in controlling swine flu and more specific vaccines have been tested. Just a single dose of these is expected to be reasonably effective in preventing an attack on most individuals, but younger children less than 10 years of age are advised 2 injections at an interval of 21 days. More efficient vaccines are also being tested and should be made available shortly. A number of countries are gearing up for mass vaccinations in late 2009 to try and control the spread of the virus among their citizens - something similar to what was undertaken during the polio eradication campaign.



There are a number of options available to control the flu and its symptoms without a swine flu vaccine. Ideally a homeopathic specialist should be consulted to decide on which formulation to take and the dosage required. There are some companies who continuously modify their formulations to create natural flu remedies that take care of differences in the type of flu that is going around as to what works well for the current influenza that may be effective for swine flu.
Posted by Admin On 9:49 AM No comments READ FULL POST

7/12/2013

When encouraging patients to receive the flu vaccine every
fall, I always find it amazing that so many people have
misconceptions about the flu and the flu shot. If I were to
ask a group of patients what the flu is, I would get many
different answers, including descriptions of symptoms of a
viral gastrointestinal syndrome (nausea, vomiting,
diarrhea), a sinus infection, the common cold, or of true
influenza (flu) infection.



Influenza (referred to as flu in this article) is a serious
and extremely contagious viral respiratory illness.
Complications of the flu can lead to hospitalization and
death. According to the Centers for Disease Control (CDC):
Every year in the United States, 5% - 20% of the population
gets the flu, approximately 200,000 people are hospitalized
from flu complications, and approximately 36,000 people die
from the flu.



The symptoms of the flu include fever (usually >102F),
headache, extreme fatigue, sore throat, dry cough, runny or
stuffy nose, and muscle aches. Nausea, vomiting, and
diarrhea are uncommon with the flu. Although some flu
symptoms resemble those of the common cold, flu symptoms
have a much more abrupt onset and are more severe than those
of a cold. Possible complications of the flu include
bacterial or viral pneumonia, sinus infections, ear
infections, dehydration, and worsening of other medical
conditions such as diabetes, asthma, or chronic lung
disease. These complications can prolong the illness and may
lead to hospitalization.



The flu virus spreads from person to person through coughing
or sneezing. You may get infected by touching something
(such as a doorknob or telephone) that has flu virus on it
and then touching your mouth or nose. The best way to
prevent the flu is to get a flu vaccination each year
between October and December. The flu shot can be offered to
all healthy people who want to decrease their risk of
getting the flu. Certain people are at high risk for flu
complications and should be strongly encouraged to receive
the vaccine. These groups are: children (6 months-5 years
old), pregnant women, people over age 50, people with
chronic medical conditions such as diabetes, asthma,
emphysema, HIV infection, aids, heart disease), and people
living in long term care facilities such as nursing homes
and prisons. In addition, all healthcare workers and
household contacts of people in the high risk groups, as
well as household contacts of infants less than 6 months of
age, should be vaccinated to prevent the spread of the virus
to those people.



Let's clear up another very common misconception: The flu
shot does not give you the flu, and does not make you sick!
I can't even count the number of times that patients have
told me that they received the shot and got the flu. The
vaccine consists of killed influenza virus (killed virus is
not capable of causing illness), which causes the body to
respond by developing antibodies to protect against the flu.
It is this response that causes common side effects of the
vaccine, such as a slight fever, chills, headache, and
fatigue, for the first 24 hours after the vaccine is given.
Remember, this is not the flu.



Some people should not be vaccinated; they include: people
with a severe allergy to eggs, people who have had a severe
reaction to the flu shot in the past, children less than 6
months of age, and people with a history of Guillain-Barre
syndrome (a paralyzing neuromuscular disorder). If you have
a moderate or severe illness with a fever, you should wait
until those symptoms resolve before getting vaccinated.



If you are HIV positive, most healthcare providers will
recommend that you receive the flu vaccine each year.
Although there has been some debate and controversy over
this issue, it is generally thought that vaccination offers
significant benefits to the HIV positive person, including
the prevention of serious complications of the flu such as
bacterial pneumonia and activation of HIV replication
(leading to an increase in HIV viral load and a decrease in
the CD4 cell count). In addition, the flu may resemble
symptoms of an HIV or AIDS related opportunistic infection;
thus, avoiding the flu will avoid an unnecessary workup. The
vaccine itself is well tolerated by most people, including
those who are HIV infected. There may be a very slight and
temporary rise in the HIV viral load, but this will quickly
resolve after vaccination. Studies have shown that the
body's ability to respond to any vaccine and to build up
protective antibodies may be decreased when the CD4 cell
count is below 2oo, but it is still recommended to vaccinate
these people, as there may still be some protective
benefit.



You may hear about the Nasal-Spray Flu Vaccine, and think
that this would be a great alternative to getting another
injection. Sorry, but if you are HIV positive you cannot
receive this vaccine. The nasal spray vaccine is a live
vaccine, which contains weakened live virus (instead of
killed virus in the injection), and is capable of producing
severe illness in anyone with a weakened immune system. If
you are HIV positive, you should never receive any live
vaccines for this reason.



In conclusion, the flu vaccine is the best protection
against getting the flu. However, you may still get other
viral respiratory illnesses or even a strain of the flu that
was not included in the flu shot. Besides vaccination, the
next best defense against viral illness is frequent and
thorough hand-washing and the use of antibacterial hand gels
which can be carried in your pocket, purse, or car. This
will help to prevent you from transferring virus you come
into contact with to your mouth and nose.
Posted by Admin On 5:49 PM No comments READ FULL POST
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