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COVID-19 cases at record high around world, raising testing and quarantine fears

Almost 900,000 cases were detected on average each day around the world between Dec. 22-28, with myriad countries posting new all-time highs over the past 24 hours, including the United States, Australia and many European nations.

December 29, 2021 / 07:20 PM IST
Representative image (Source: Reuters)

Representative image (Source: Reuters)

Global COVID-19 infections hit a record high over the past seven-day period, Reuters data showed on Wednesday, as the new Omicron variant raced out of control, keeping workers at home and overwhelming testing centres.

Almost 900,000 cases were detected on average each day around the world between Dec. 22-28, with myriad countries posting new all-time highs over the past 24 hours, including the United States, Australia and many European nations.

Almost two years after China first reported a cluster of "viral pneumonia" cases in the city of Wuhan, the regularly mutating coronavirus is still wreaking havoc, forcing numerous governments to rethink quarantine and test rules.

Although studies have suggested the Omicron variant is less deadly than some of its predecessors, the huge numbers of people testing positive mean that hospitals in some countries might soon be overwhelmed, while businesses might struggle to carry on operating because of workers having to quarantine.

France, Britain, Italy, Spain, Portugal, Greece, Cyprus and Malta all registered a record number of new cases on Tuesday, while the average number of daily COVID-19 cases in the United States hit a record 258,312 over the past seven days, according to a Reuters tally on Wednesday. The previous peak was a figure of 250,141 registered in early January, this year.

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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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British Prime Minister Boris Johnson said on Wednesday that 90% of patients ending up in intensive care had not received booster vaccines, which medics say is the best protection against the infectious Omicron.

"The Omicron variant continues to cause real problems, you're seeing cases rising in hospitals, but it is obviously milder than the Delta variant," Johnson said.

New daily infections in Australia spiked to nearly 18,300 on Wednesday, eclipsing the previous pandemic high of around 11,300 hit a day earlier.

Australian Prime Minister Scott Morrison said his country needed "a gear change" to manage overburdened laboratories, with long walk-in and drive-in queues reported in a number of areas.

Testing bottlenecks have also built in European nations, including Spain where demand for free COVID-19 testing kits provided by Madrid's regional government far outstripped, with long queues forming outside pharmacies.

'I JUST WANT TO GO HOME'

A number of governments were also increasingly worried by the huge numbers of people being forced into self-isolation because they had been in contact with a coronavirus sufferer.

"We just can't have everybody just being taken out of circulation because they just happen to be at a particular place at a particular time," Australia's Morrison told reporters.

Italy was expected to relax some of its quarantine rules on Wednesday over fears the country will soon grind to a halt given how many people are having to self-isolate protectively, with cases doubling on Tuesday from a day earlier to 78,313.

However, China showed no let up in its policy of zero tolerance to outbreaks, keeping 13 million people in the city of Xian under rigid lockdown for a seventh day as new COVID-19 infections persisted, with 151 cases reported on Tuesday.

"I just want to go home," said a 32-year-old mechanic, who was in Xian last week for a business trip when the city was effectively shut off from the outside world.

No cases of Omicron have been announced in Xian so far.

Many countries are still grappling with the earlier Delta variant, including Poland, which reported 794 COVID-related deaths on Wednesday – the highest number in the fourth wave of the pandemic.

Deputy Health Minister Waldemar Kraska said more than 75% of those who died were unvaccinated.

Early data from Britain, South Africa and Denmark suggests there is a reduced risk of hospitalization for the Omicron compared with the Delta variant, the World Health Organization (WHO) said in its latest epidemiological report.

However, the report said further data was needed to understand how severity of illness may be impacted by vaccination and, or, prior infection.

The surge in cases is coinciding with the New Year holidays, normally a period of parties and travel. Some countries, such as Italy, have cancelled public celebrations, while authorities in Japan urged residents to keep end-of-year gatherings small.

"The highest risk is meeting people without taking adequate measures to prevent infection," said Norio Ohmagari, director of the Disease Control and Prevention Center and a top health advisor to the Tokyo Metropolitan Government.
Reuters
first published: Dec 29, 2021 07:20 pm
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