Las personas que sufrieron una ronda de enfermedades en Noviembre y Diciembre probablemente tuvieron el coronavirus

1. 13 de abril de
2020
Verificación de hechos: ¿Podría su tos de diciembre haber
sido en realidad coronavirus? Los expertos dicen que se
necesita más investigación
medium.com/@extrasdigitales/fact-check-could-your-december-cough-actually-have-been-coronavirus-
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Angela garcia
Abr 13 · 5 min de lectura
El reclamo: las personas que sufrieron una ronda de
enfermedades en noviembre y diciembre probablemente
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2. tuvieron el coronavirus
Un puñado de publicaciones de Facebook ampliamente difundidas han afirmado que las
personas en los Estados Unidos probablemente contrajeron el coronavirus tan pronto
como el otoño pasado.
"¿Quién se enfermó en noviembre o diciembre y duró de 10 a 14 días, con la peor tos que
no desapareció?" Las publicaciones dicen. “Si puedes responder, sí, entonces
probablemente tenías el coronavirus. No hubo pruebas y la prueba de gripe volvería
negativa de todos modos. Lo llamaron una infección grave de las vías respiratorias
superiores ".
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Muchas de las publicaciones que circulan actualmente incluyen la foto de perfil de un
usuario de Facebook llamado Donna Lee Collier. Collier no respondió a una solicitud de USA
TODAY para comentarios sobre el origen de las publicaciones.
Actualizaciones diarias de coronavirus: obtenga el resumen diario de USA TODAY en su
bandeja de entrada
Bonnie Powell, of Waynesboro, Georgia, copied the status and received more than 230
shares. She said the post reflects her opinion, not necessarily scientific proof. But she said
she had heard from friends about sickness at the end of last year, which makes her
suspicious.
“Our area has had a very virulent ‘flu’ season with many of my friends testing negative for
flu,” she said in a Facebook message.
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Coronavirus likely originated in November, was first in U.S.
in January
Researchers have tied the origin of the virus to a live animal market in Wuhan, China. The
World Health Organization first received a report of the outbreak on Dec. 31, but the virus
originated in China more than a month earlier than that. A study published in early March
by researchers at ETH Zurich puts the origin of the virus in the first half of November.
Rumors surrounding the origins of the novel coronavirus have swirled as it spreads around
the globe. Theories that the virus originated in a Chinese laboratory, or that it originated
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3. outside of China and was brought over by the U.S. Army, are not supported by evidence,
according to medical experts. The virus is believed to have animal origins, likely in bats.
On Jan. 21, the Centers for Disease Control and Prevention announced the first case of
novel coronavirus in the United States from a person who had recently returned to
Washington from Wuhan. The United States has since surpassed China and Italy to become
the most infected country in the world, according to a tracker from Johns Hopkins
University.
Symptoms of the novel coronavirus include a fever, cough and shortness of breath.
Reported illnesses range from mild symptoms to severe symptoms and death.
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Could the coronavirus have been in the U.S. before January?
Experts say it’s plausible that coronavirus came over to the U.S. from China before that first
January case, but more testing is needed to be sure.
“Anecdotally, we’ve heard about some influenza-like illnesses in December and January that
were a little bit atypical,” said Dr. Luis Ostrosky, a professor of infectious diseases at
McGovern Medical School at UTHealth in Houston. “But the thing we need to solve that
puzzle is when we actually start doing testing of antibodies, not just detecting the virus.”
Ostrosky said that would include taking a look at blood samples from December and
January to see if the virus was already in circulation.
Dr. Georges Benjamin, executive director of the American Public Health Association, said he
believes when researchers do more testing, they will probably find the disease was in the
U.S. earlier than first believed.
“I believe at the end of this, when we do look back — and we will — we will probably find
that this disease was here earlier than we thought,” he said. “We also know that when we
closed our borders, it was very, very leaky.”
However, Benjamin said it’s “plausible but not likely” that the coronavirus was in the United
States in November and December. If it were in the U.S. before the end of the year, the case
would also have likely been connected to travel from China, he said, and likely not
widespread.
Dr. Josh Petrie, assistant research professor at the University of Michigan School of Public
Health, said it’s important to remember that multiple existing viruses can cause severe
upper respiratory symptoms and circulated late last year. Among them was Influenza B,
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4. which grew in intensity around November and December, as well as RSV and Influenza A.
He said it’s possible there were “sporadic” travel-related cases earlier than the discovery of
the first case but agreed it was likely not widespread as far back as November or December.
“There’s a lot of surveillance that goes on for influenza every year, and so if we were seeing
a lot of coronavirus activity at that time — even if you couldn’t test for it — you would see
signals in that influenza surveillance,” he said.
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Would already having the coronavirus make someone immune to further infection by it?
That’s also still under investigation. Ostrosky said that, in general terms, other coronaviruses
do result in built-up immunity.
A New York Times article published Wednesday about research efforts underway to study
antibodies characterized the answer to the immunity question as “a qualified yes, with some
significant unknowns.” Dr. Vineet D. Menachery, a virologist at the University of Texas
Medical Branch at Galveston, told the Times that people who are infected may have one to
two years of immunity, with any longer time span hard to predict.
Our ruling: More information needed
Ian Richardson covers the Iowa Statehouse for the Register. Reach him at
irichardson@registermedia.com, at 515–284–8254, or on Twitter at @DMRIanR.
At this point, experts contacted by USA TODAY say it’s unlikely that just because someone
had a cough or other symptoms of an upper respiratory infection that they “probably had
the coronavirus,” especially as far back as November.
But it’s also plausible that some cases did arrive in the U.S. earlier than the first reported
case in January. Experts say additional testing and research is needed to get an exact
picture.
Our fact-check sources:
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5. Originally published at https://www.usatoday.com.
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