HomeNewsTrendsHealthCOVID cases surpass 400 million as Omicron grips world

COVID cases surpass 400 million as Omicron grips world

The Omicron variant, which is dominating the surge around the world, accounts for almost all new cases reported daily. While cases have begun to level off in many countries, more than 2 million cases are still being reported on average each day, according to a Reuters analysis. Deaths, which tend to lag cases, have increased by 70 percent in the last five weeks based on the seven-day average.

February 09, 2022 / 20:01 IST
Image Source: Reuters

Global COVID-19 cases surpassed 400 million on Wednesday, according to a Reuters tally, as the highly contagious Omicron variant dominates the outbreak, pushing health systems in several countries to the brink of capacity.

The Omicron variant, which is dominating the surge around the world, accounts for almost all new cases reported daily. While cases have begun to level off in many countries, more than 2 million cases are still being reported on average each day, according to a Reuters analysis. Deaths, which tend to lag cases, have increased by 70 percent in the last five weeks based on the seven-day average.

While preliminary evidence from several countries have shown that Omicron is milder than previous variants, a large volume of cases can potentially overburden healthcare systems globally.

It took over a month for COVID cases to reach 400 million from 300 million, compared to five months for the cases to reach 300 million from 200 million, according to a Reuters tally. The pandemic has killed over 6 million people worldwide.

The top five countries reporting the most cases on a seven-day average - United States, France, Germany, Russia, and Brazil – account for roughly 37 percent of all new cases reported worldwide, according to Reuters analysis.

COVID-19 Vaccine

Frequently Asked Questions

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How does a vaccine work?

A vaccine works by mimicking a natural infection. A vaccine not only induces immune response to protect people from any future COVID-19 infection, but also helps quickly build herd immunity to put an end to the pandemic. Herd immunity occurs when a sufficient percentage of a population becomes immune to a disease, making the spread of disease from person to person unlikely. The good news is that SARS-CoV-2 virus has been fairly stable, which increases the viability of a vaccine.

How many types of vaccines are there?

There are broadly four types of vaccine — one, a vaccine based on the whole virus (this could be either inactivated, or an attenuated [weakened] virus vaccine); two, a non-replicating viral vector vaccine that uses a benign virus as vector that carries the antigen of SARS-CoV; three, nucleic-acid vaccines that have genetic material like DNA and RNA of antigens like spike protein given to a person, helping human cells decode genetic material and produce the vaccine; and four, protein subunit vaccine wherein the recombinant proteins of SARS-COV-2 along with an adjuvant (booster) is given as a vaccine.

What does it take to develop a vaccine of this kind?

Vaccine development is a long, complex process. Unlike drugs that are given to people with a diseased, vaccines are given to healthy people and also vulnerable sections such as children, pregnant women and the elderly. So rigorous tests are compulsory. History says that the fastest time it took to develop a vaccine is five years, but it usually takes double or sometimes triple that time.

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The United States leads the world in the most cases reported each day, with a million new cases reported in the country every three days. Cases and hospitalizations in the country are slowing down from its peak in January this year, according to a Reuters analysis. On Friday, the country surpassed 900,000 deaths related to COVID.

In France, the seven-day average of new infections has held at over 210,000 per day, adding about a million new cases every five days. The cumulative total for confirmed COVID cases in France since the start of the pandemic passed 20 million last Thursday.

About half of all new infections reported worldwide were from countries in Europe, with 21 countries still at the peak of their infection curve. The region has reported over 131 million cases and over 2 million deaths related to COVID since the pandemic began.

Despite Europe reporting a million new cases almost every day, some countries are gradually lifting restrictions as the outbreak eases locally. Spain has scrapped a requirement for people to wear masks outdoors, extending a wider rollback of restrictions as the contagion slowly recedes in the country. On Monday, Greece started allowing tourists with a European vaccination certificate to enter the country without having to show a negative test for COVID.

Last Friday, India's death toll from COVID-19 crossed 500,000, a level many health experts say was breached last year but obscured by inaccurate surveys and unaccounted deaths. An estimated 3 million people have died from COVID-19 in the south-Asian nation until mid-2021, according to one study published in the journal Science that relied on three different databases.

The most common form of the Omicron variant, BA.1, accounted for 98.8 percent of sequenced cases submitted to the public virus tracking database GISAID as of Jan. 25. But several countries are reporting recent increases in the subvariant known as BA.2, according to the World Health Organization.

Roughly 62 percent of the world population has received at least one dose of a COVID vaccine, while only 11 percent of people in low-income countries have received at least one dose, according to figures from Our World in Data.

Reuters
first published: Feb 9, 2022 07:26 pm

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