The Manual on Viruses
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When we look back, we never remember, that it is not the first
time that the world has experienced a pandemic like the one we
are experiencing now because of the COVID-19. A century ago
a pandemic emerged, The spanish flu, caused by the H1N1
virus. Such as now it caused big health, social and economical
problems around the world. Adding that it happened at the end
of World War I where countries were coming out of one crisis
and going into another.
Seasonal illness: an
infection that spreads
throughout the world)
Pandemic: an infection
that spreads throughout the
world)
The flu, or influenza, is a highly contagious viral infection that
mainly affects the respiratory system. It’s usually a seasonal
illness, with yearly outbreaks killing hundreds of thousands of
people around the world. Though rare, completely new versions
of the virus may infect people and spread quickly, resulting in
pandemics with death tolls in the millions. Symptoms of the flu
include sudden onset fever, coughing, sneezing, a runny nose,
and severe malaise, though it can also include vomiting, diarrhea
and nausea. Influenza has plagued humankind for centuries
and, given its highly variable nature, may continue to do so
for centuries to come.
THE MANUAL ON VIRUSES
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