There's absolute panic over an outbreak of swine flu. "Projections are that this virus will kill 1 million Americans," the nation's top health official has warned. But the date is 1976. And the projection proves off by 999,999 deaths. However, a hastily-developed vaccine went on to kill or crippled hundreds. Sadly, the current hysteria outbreak threatens devastation on a worldwide scale.
A calm perspective of the current outbreak of the virus now known as influenza A (H1N1) would compare it to seasonal flu. According to the CDC, the seasonal flu infects between 15 to 60 million Americans each year (5% to 20%), hospitalizes about 200,000 and kills about 36,000. That comes out to over 800 hospitalizations and over 250 deaths each day during flu season.
Worldwide deaths are 250,000 to 500,000, according to the World Health Organization (WHO), or about 700 to 1,400 per day spread out over the year.
There's no hint that influenza A (H1N1) is either easier to transmit than seasonal flu or more lethal. The symptoms are the same, and swine flu cases so far have generally been quite mild.
As of this writing 13 countries have officially reported 365 cases of influenza A(H1N1), yet the only deaths have been Mexican. It’s not a “puzzle” as to why. All infectious diseases strike much harder in underdeveloped countries, partly because of poorer health care but primarily because the people are less healthy to begin with. Only 322 of those 8,096 SARS cases were in developed nations.
The moniker "swine flu" clearly spooks many. But pigs, with the help of birds, routinely transmit seasonal flu to humans. "Swine flu" simply means it contains some pig flu genetic material. If this eccentricity made it that inherently more dangerous than a pure human flu, the 1976 strain wouldn't have caused merely 500 infections with a 0.02% death rate.
No, influenza A (H1N1) won’t become "another Spanish Flu of 1918-19," as pig flu panic purveyors claim. Nothing will. It’s been 90 years. Back then we were hobbled by a world war, general health in developed nations was much poorer than in Mexico today, and we’ve since developed things called "antibiotics" – as well as antivirals, pneumonia vaccines and other medical tools. In all flu outbreaks, including the Spanish one, the vast majority of deaths come from secondary bacterial infections.
Not coincidentally, one of the "worrisome" similarities between Spanish flu and swine flu is that both strains are of the H1N1 subtype. But--ahem!--So is one of the major subtypes of the latest seasonal flu.
Another panic prompter is that so far influenza A (H1N1) appears to disproportionately affect younger people. Assuming this holds up, one explanation would be that older persons have received some immunity from previous exposure to a similar strain. Alarming? In any case, the stronger immune systems of younger people could explain the apparent mildness of symptoms outside of Mexico.
It's true we have no vaccine for this flu. But two years ago, the seasonal flu shot proved ineffective against the primary strain and one of the two secondary strains. There was no appreciable increase in cases or deaths. That said, it would make sense to include swine flu as one of the three strains in this fall's seasonal flu vaccine.
It's also truly reassuring to see self-important health officials grasping for straws to make the outbreak appear more serious. Keiji Fukuda, a top WHO official, invoked the dreaded "M" word (mutation). "It's quite possible for this virus to evolve," he said, whereupon it "can become more dangerous to people." Actually, evolution favors mutations that make a virus less harmful; better to adapt to a host than to kill it.
The last time a flu mutation perceptibly increased the U.S. death rate was the Hong Kong flu of 1968-69 (34,000 in a smaller population) and before that the Asian flu 1957-58 (70,000). They were bad, but hardly apocalyptic. For neither were antivirals or pneumonia vaccines available
But influenza A (H1N1) hysteria is even now delivering a gut punch to a global economy, posing a serious risk of a recession within the recession.
It was SARS hysteria, and not the relatively tiny number of cases, that cost the economies of East and Southeast Asia 0.6 percentage points of 2003 GDP, according to the Asian Development Bank. And a World Bank report last year estimated that just the costs of avoiding infection during a flu pandemic--not the illness itself--would shave off 1.9% off world GDP. Some poorer parts of the world--including that containing Mexico--would lose 2.9% of GDP.
Ironically, because as we've seen in Mexico, wealth translates into health, poorer nations could lose far more lives to the hysteria than to the virus. Such are the wages of our swine flu fright fest.
Michael Fumento is a, journalist, and attorney specializing in science and health issues as well as author of BioEvolution: How Biotechnology is Changing Our World .
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