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Mudassir Ali
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Originally Answered: Is the coronavirus more deadly than other viruses that have emerged in recent years?
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Is the coronavirus more deadly than other viruses that have emerged in recent years?
It is certainly the most deadly coronavirus so far, nearly double the fatalities of SARS and MERS combined, and I think it is very likely it will triple, or worse before it’s done.
But Influenza viruses can also be deadly. There are four kinds, A,B, C and D, and it seems the type A are the deadliest. These are your H1N1 swine flu, et al.
I’ve been trying to understand why people aren’t so worried about influenza; these viruses kill hundreds of thousands of people every year; far more than any coronavirus. Why isn’t there such panic about that?
I’m still not sure, but I have some ideas.
Every year, most people get a flu. Or a cold (most folk don’t seem to know the difference). It is so common.
Most flu viruses are not very severe. We get a bit sick, maybe don’t even take time off work. Pharmacies are well stocked with goodies to help us just soldier on.
Coronavirus outbreaks are far rarer. It’s an unknown, and of just 7 types known to us, 3 are deadly. MERS is still killing people, incidentally.
We have flu vaccines. No such safe guard is known for coronavirus.
The deadly type A influenza viruses have been bothering us for a long time. Some folk even have immunity from decades ago to a slightly different strain running around more recently.
People have a lot more fear of the unknown; Heart disease kills 647,000 Americans every year, but no one is panicking about that. Flu just seems benign to us. But a new coronavirus is far, far less common. And it seems to start in Asia, making it seem exotic and thus more of a threat.
There is one thing really different. COVID-19 can incubate up to 14 days before symptoms are shown, and we’ve seen multiple clear cases by now where people have infected others whilst asymptomatic.
Influenza shows symptoms in about 2 days, and I don’t think there are any cases of infection from asymptomatic people. Even if there are; 2 days to spread the influenza unawares, versus 14 days with COVD-19. Remembering that each day exponentially increases the potential infection base, and you realize those extra days is a huge difference where control and containment are concerned.
When we talk about the death toll for influenza, it is a collated toll from ALL cases of influenza; it is not, I think, one virus.