who certificate course for covid 19

by Ms. Blanche Bradtke 6 min read

How many times can a person get COVID-19?

Maybe you thought it was like chickenpox — if youve had it once, youre immune forever, and you can put your worries away for good. Unfortunately, thats not the case. You can get COVID-19 more than once. Many times, in fact.

Which organ system is most often affected by COVID-19?

COVID-19 is a disease caused by SARS-CoV-2 that can trigger what doctors call a respiratory tract infection. It can affect your upper respiratory tract (sinuses, nose, and throat) or lower respiratory tract (windpipe and lungs).

Can I get COVID-19 twice?

Research shows you can get it twice. Even more than twice, in some cases.

When did WHO declared COVID-19 as a pandemic?

The World Health Organization declared the COVID-19 outbreak a pandemic on March 11, 2020.

What organs could be affected by the long term effects of a severe COVID-19 disease?

People who had severe illness with COVID-19 might experience organ damage affecting the heart, kidneys, skin and brain. Inflammation and problems with the immune system can also happen. It isnt clear how long these effects might last.

Can the COVID-19 virus affect your kidneys?

Does COVID-19 affect the kidneys? It can. In addition to attacking the lungs, the coronavirus that causes COVID-19 — officially called SARS-CoV-2 — also can cause severe and lasting harm in other organs, including the heart and kidneys.

How long could you test positive on a PCR test after having COVID-19?

After a positive test result, you may continue to test positive for some time after. You may continue to test positive on antigen tests for a few weeks after your initial positive. You may continue to test positive on NAATs for up to 90 days.

How long after a positive COVID-19 test do you remain contagious?

Those who do get infected with mild-to-moderate COVID-19 will likely remain infectious no longer than 10 days after symptoms begin. Individuals with severe-to-critical illness stemming from a COVID infection likely aren't infectious 20 days after symptoms first began.

Are you still contagious after 5 days?

If after five days you are fever-free for 24 hours without the use of medication, and your symptoms are improving, or you never had symptoms, you may end isolation. But if youre still getting a positive test after six to 10 days, Arwady said you could still be contagious.

When was the first case of COVID-19 reported in the US?

January 20, 2020 CDC reports the first laboratory-confirmed case of the 2019 Novel Coronavirus in the U.S. from samples taken on January 18 in Washington state and on the same day activates its Emergency Operations Center (EOC) to respond to the emerging outbreak.

Where did COVID-19 start?

July 27, 2022 – Many scientists and public health experts have long said the coronavirus that has caused a global pandemic originated in a marketplace in Wuhan, China.

Is the COVID-19 pandemic over?

With over 1 million deaths this year alone, the pandemic remains an emergency globally and within most countries. "The COVID-19 summer wave, driven by Omicron BA.4 and BA.5, showed that the pandemic is not yet over as the virus continues to circulate in Europe and beyond," a European Commission spokesperson said.

Can COVID-19 affect your organs?

People who had severe illness with COVID-19 might experience organ damage affecting the heart, kidneys, skin and brain. Inflammation and problems with the immune system can also happen. It isn't clear how long these effects might last.

How does COVID-19 affect the heart and lungs?

SARS-CoV-2, the virus that causes COVID-19, most commonly affects the lungs but It can also lead to serious heart problems. Lung damage caused by the virus prevents oxygen from reaching the heart muscle, which in turn damages the heart tissue and prevents it from getting oxygen to other tissues.

Can kidneys recover after COVID-19?

Can kidneys recover after COVID-19? Sperati says, “Patients with acute kidney injury due to COVID-19 who do not require dialysis will have better outcomes than those who need dialysis, and we have seen patients at Johns Hopkins who recover kidney function.

How can severe COVID-19 affect the nervous system?

Some people with COVID-19 either initially have, or develop in the hospital, a dramatic state of confusion called delirium. Although rare, COVID-19 can cause seizures or major strokes. Muscular weakness, nerve injury, and pain syndromes are common in people who require intensive care during infections.