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What is Covid-19
The Coronavirus, also COVID-19, is a highly contagious viral infection. The SARS-CoV-2 respiratory pathogen causing the disease is believed to be of zoonotic origin, meaning it most likely jumped between species - in this case - from bats to humans.
The first cases of the Coronavirus disease In humans were registered In Wuhan, Hubei province of China around November-December 2019. Within weeks, the virus spread across the globe, infecting millions and killing thousands. As of December 2021. the total death count attributable to the COVID-19 pandemic stands at 5.37 million people.
The last COVID-19 variant is called the Omicron. It was first reported by South African scientists and is considered to have the lowest level of virulence In comparison to variants that came before.
COVID-19 transmission among humans occurs in three ways: Firstly, via breathing in airborne particles and droplets containing the disease. Secondly, by having these viral droplets contact with eyes, nose, or mouth. And when touching one's nose, mouth, or eyes with hands that have the virus on them.
Main Symptoms of Covid-19
Сurrent Сovid-19 situation in the United States
There were 77,972,120 cases of Covid-19 in the United States. In 24 hours alone, the number of people infected increased by 439,208. The total number of deaths from the coronavirus infection in the U.S. was 925,702;
There were 630 deaths on February 06, 2022. There were 29,144,147 people in the active phase of the disease, 20,535 of whom were in critical condition.
Boosted Americans 97 times less likely to die of virus than unvaccinated: COVID-19 updates
Main Strains of Coronavirus
- Omicron (lineage B.1.1.529)
- Delta (lineage B.1.617.2)
- Gamma (lineage P.1)
- Beta (lineage B.1.351)
- Alpha (lineage B.1.1.7)
News and Interesting Researches
How to Protect Yourself
Stay tuned for the latest information on the COVID-19 outbreak, which can be found on the WHO website and from the public health authorities in your country and locality.Read More
Frequently Asked Questions
What can I do at home to avoid getting sick?
Make sure everyone in the family has their own towel, and remind them not to share toothbrushes or other personal hygiene items. Air the room frequently.
What is the difference between the coronavirus and influenza virus?
Coronavirus and influenza virus may have similar symptoms, but genetically they are completely different. Influenza viruses replicate very quickly ‒ symptoms appear two to three days after becoming infected, while it takes up to 14 days for the coronavirus to do so.
Who is at risk of a severe course of the disease?
Our information on COVID-19 is not yet complete, but it looks like severe disease is more common in older people, as well as in people with existing somatic diseases (such as arterial hypertension, heart disease, lung disease, cancer or diabetes).
Are there people who can’t be infected with the coronavirus at all?
Anyone can become ill with COVID-19, but some people may not have clinical signs of the disease.
What side effects can occur after vaccination?
Short-term overall and local reactions might occur after vaccination on the first or second day: • chill, • temperature rise (up to a maximum of 38.5 degrees Celsius), • muscle and joint pain, • tiredness, • headache, • soreness in the area of the injection, • redness.
I have heard that people who have been vaccinated also get the disease. Do vaccinations really protect?
Vaccination protects against a severe course of the coronavirus disease. No vaccine can give 100% protection against the disease. Yet, research suggests that even if a vaccinated person falls ill, the disease is milder.
What complications can occur after a coronavirus infection?
The new coronavirus infection is classified as an acute respiratory viral infection (ARI) and can have the same complications as other ARIs ‒ pneumonia, bronchitis, sinusitis and others.
Can the coronavirus stay in the body forever?
As of today, this seems unlikely, no such cases have been reported. However, coronavirus infection can aggravate the patient’s chronic non-infectious diseases.
For how long is a patient contagious?
In almost all patients, 2–3 weeks after the onset of the disease the virus is no longer excreted.
Can COVID-19 vaccines incorporate into DNA?
No, the COVID-19 vaccines neither affect nor interact with your DNA in any way. Vaccines make the body’s immune cells familiar with fragments of the genetic material of the coronavirus, so that they can remember them and begin to produce antibodies to protect themselves against the virus.