Influenza
in sentence
104 examples of Influenza in a sentence
We know from
influenza
that a new epidemic can suddenly appear just as an older one is fading, if a new form of the virus appears, or if some environmental factor increases the contagion rate.
By preventing influenza, these vaccines reduce the number of individuals to be evaluated for SARS.
Kits for rapid diagnosis of
influenza
infection already exist.
If more physicians had routine access to these kits, they could tell on the spot whether a patient had
influenza
and eliminate the need to treat him or her as a possible SARS patient.
According to the World Health Organization, as many as half a million people die each year from
influenza.
In the meantime, we should intensify the fight against an older nemesis, influenza, both for its own sake and as a way to prepare for the return of SARS.
As University of Ottawa virologist Earl Brown put it after a Canadian outbreak of avian influenza, “high-intensity chicken rearing is a perfect environment for generating virulent avian flu viruses.”
So far, a relatively small number of human beings have died from the current strain of avian influenza, and it appears that they have all been in contact with infected birds.
That won’t be easy to do, but we could make a start by imposing a tax on factory-farm products until enough revenue is raised to pay for the precautions that governments now have to take against avian
influenza.
The pandemics of SARS, avian, and swine
influenza
have cost the global economy an estimated $200 billion.
Consider the progress that has been made with the lifesaving pentavalent vaccine, which protects a child against diphtheria, tetanus, whooping cough, hepatitis B, and haemophilus
influenza
type b (Hib) – all in one dose.
But even a mild
influenza
virus kills a lot of people, especially those with other medical problems.
Other catastrophic risks include natural epidemics (the 1918-1919 Spanish
influenza
killed between 20 million and 40 million people), nuclear or biological attacks by terrorists, certain types of lab accidents, and abrupt global warming.
This seasonality led a British physician to hypothesize that
influenza
outbreaks are affected by sunlight-related “seasonal stimulus.”
A randomized controlled trial in Japanese children found that type A
influenza
rates in children taking vitamin D supplements were about 40% lower than in those taking a placebo; there was no significant difference in type B
influenza
rates.
On average, 90% of children in South Asia now receive vaccines for preventable illnesses such as tetanus, influenza, diphtheria, and pertussis, and the number of infants protected against Hepatitis B has increased by nearly 60% in the last decade.
For example, open pens for poultry may increase the spread of communicable diseases like avian
influenza.
In this age of globalization, failure to make viral samples freely available risks allowing the emergence of a new strain of
influenza
that could go unnoticed until it is capable of exacting the sort of toll taken by the pandemic that killed tens of millions in 1918.
Nearly 75 million people, or 3-5% of the world’s population, died in just a few months during the 1918
influenza
pandemic – more than twice the number of people killed in World War I.
Jumping VirusesScientists long anticipated that an
influenza
virus will spread - as now appears to be happening in Asia - from wild birds to humans, causing a pandemic.
A well-understood example is that of
influenza
viruses in wild fowl, where the virus causes infections that are hard to detect.
But if an
influenza
virus jumps from, say, ducks to chickens, there may be lethal consequences.
It is a highly virulent
influenza
virus such as this that is devastating chickens in parts of Asia.
That
influenza
virus has also "jumped" from the chickens to those who look after them, killing some people.
The
influenza
viruses established in humans for several decades originated from bird viruses.
The chronic fear of health authorities is that, by chance, another avian
influenza
virus will mutate and spread from person to person to spawn a global pandemic.
Similar failings have exacerbated the consequences of today's bird-origin
influenza
epidemic in Vietnam, Thailand, and elsewhere.
The H1N1
influenza
was identified in a Mexican village in April.
Healthcare is financed largely out-of pocket – up to 60% in Asia – and many countries shoulder a “triple disease burden” of “old” diseases like tuberculosis and malaria, new infectious diseases like
Influenza
A (H1N1), and a “silent pandemic” in the form of non-communicable diseases such as diabetes and cancer.
And, according to Venter, if his team’s new technology had been available last year, it would have been possible to produce a vaccine to protect ourselves against H1N1
influenza
in 24 hours, rather than several weeks.
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