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In what form Deltacron, Omicron including ‘Stealth’ variant can manifest in the body

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Two years after the coronavirus pandemic began, Covid-19 is still circulating in the US. Here’s everything you need to know about the several types that are likely to be circulating, including Omicron and Deltacron.

According to data from the Centers for Disease Control and Prevention, a highly transmissible omicron subvariant is on the rise in the United States, accounting for approximately a quarter of all new cases.

According to the CDC, BA.2, or “stealth” omicron, was responsible for more than 23 percent of coronavirus cases in the United States last week, up from 13.7 percent the week before, which was revised upward from roughly 11 percent.

According to studies, the subvariant – dubbed “stealth” omicron due to a testing response that makes the lineage appear to be the delta variant, necessitating extra sequencing – is more contagious than the already highly infectious BA.1.

BA.2 can also reinfect patients quickly after they recover from the more prevalent omicron lineage, however this is “rare” and seen “primarily in young unvaccinated individuals with moderate disease not resulting in hospitalization or death,” according to research.

Officials from the Department of Health and Human Services have expressed worry that the easing of mitigating measures such as mask restrictions could give the subvariant an unfair edge as it spreads across the United States. More than 98 percent of Americans do not need to wear masks indoors, according to new CDC recommendations.

But it isn’t just the factor that scientists believe is causing the numbers to rise again; new variants and sub-variants are also considered to have played a role.

Since there is considerable confusion over whether symptoms and levels of contagiousness differ amongst strains, read on for a summary of what to look out for in the main varieties presently ravaging the US and other countries.

What are the main symptoms of Covid-19?

The following are the primary symptoms of Covid-19, according to the CDC:

  • A high temperature – this means you feel hot to touch on your chest or back (you do not need to measure your temperature).
  • A new, continuous cough – this means coughing a lot for more than an hour, or three or more coughing episodes in 24 hours (if you usually have a cough, it may be worse than usual).
  • A loss or change to your sense of smell or taste – this means you’ve noticed you cannot smell or taste anything, or things smell or taste different to normal.

Most people who contract the original virus will exhibit one of these symptoms.

What are the main symptoms of Omicron (BA.1)?

It remains by far the most prevalent strain worldwide, accounting for 98.8% of all Covid cases reported to the GISAID global database for virus tracking since January 25.

The strain infects people’s upper airways at a much higher rate than the previously dominant Delta type – 70 times faster.

The following are five of the most common symptoms of this variant:

  • runny nose
  • headache
  • fatigue
  • sneezing
  • sore throat

The Omicron strain is more likely than the Delta variant to induce a sore throat, but less likely to cause a loss of taste or smell, according to Sanjaya Senanayake, associate professor of medicine and infectious diseases physician at Australian National University.

A croup-like cough is more common in children than in adults. Omicron’s infection of the upper airways, which is usually coupled with other viruses, makes it more likely.

The World Health Organization issued a statement on March 7 stating that “as we enter the third year of the pandemic, SARS-CoV-2, the virus that causes Covid-19, is spreading between people at an intense level globally.

“There are many factors that are driving transmission. One of these is the emergence of highly transmissible variants of concern, the latest being Omicron. The virus continues to evolve and the risk of future emergence of variants is high.”

What are the main symptoms of Stealth Omicron (BA.2)?

Stealth Omicron, a sub-variant discovered in December of last year, is being treated as a “variant under investigation.”

The rising prevalence of the Omicron BA.2 sub-lineage, as well as a recent modest uptick in infections, indicate that the pandemic is far from ended, and that we should expect to see Covid circulating at high levels in the future.

Professor Adrian Esterman, a former WHO epidemiologist, issued a warning on Twitter.

“Omicron BA.2 is about 1.4 times more infectious than BA.1. The basic reproduction number (R0) for BA.1 is about 8.2, making R0 for BA.2 about 12. This makes it pretty close to measles, the most contagious disease we know about.”

According to Danish research, the variant offers a limited threat to human life and does not induce severe symptoms at this point.

Omicron has a gene that makes it easier to see the virus, but Stealth doesn’t have that gene. That makes it more difficult to find.

Whether the sub-strain has different symptoms is unknown at this time, however preliminary reports reveal symptoms such as runny nose, headache, sore throat, and fatigue.

Sneezing, a persistent cough, hoarseness, chills or shivering, strange joint pains, fever, dizziness, brain fog, sore eyes, an altered sense of smell, muscle pains, swollen glands, a loss of appetite, and chest pains are some more common Covid symptoms.

What are the main symptoms of Deltacron?

This Frankenstein-like hybrid first appeared in January and has since been picked up in the United States, according to preliminary studies. It appears to be the result of someone becoming infected with both Omicron and Delta strains at the same time.

The variant is assumed to be mostly Delta, but with an Omicron-derived spike protein added on top.

So far, only a few cases have been reported.

According to Dr. Meng Khaw from National director for health protection and screening services at Public Health Wales, “there is no evidence of vaccine escape issues relating to Deltacron, and the best thing you can do to protect yourself against this and other variants is to take up the offer of coronavirus vaccine.

“You can also protect yourself and others by maintaining a social distance where possible, washing hands regularly, keeping homes well-ventilated, using a face covering, and working from home if you can.

“If you develop a cough, fever, or change in sense of taste or smell, the public health advice remains that you should self-isolate immediately in order to protect others.”

This variant isn’t thought to cause any distinct symptoms than prior strains of the virus.

Image Credit: Getty

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