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‘We’ve never seen a coronavirus undergo shift, where you’ve seen a dramatic change in the virus itself and the strain of the virus.What you’ve seen is these viruses undergo drift,’ Gottlieb said, explaining how these new variant emerge.

‘And that’s in fact what we’ve seen. We’ve seen this virus continue to drift and undergo gradual evolution, and that’s how we’ve gotten these new variants.’

Whenever a pathogen jumps from one host to another, pts terbaik sumatera it begins to replicate itself.Every time it has another chance to replicate, there is another chance a virus will slightly mutate. A vast majority of mutations individually do not have any impact on the science of the virus. When mutations begin to stack on each other, though, they start to caused problems.

The Omicron strain is the mutated version of Covid discovered yet, with more than 50 mutations, including dozens on the spike protein. Its mutations have allowed for it to rapidly transmit around the world and evade protection provided by the existing vaccines.

Variants usually come from a base lineage, and continue to mutate from there.Gottlieb expects Omicron to become that base lineage, but is not totally discounting Delta.

‘We’re gonna have a dominant strain and future mutations will occur within that lineage and Omicron may be it. It may be Delta.It’s unclear,’ he said. 

‘I think the conventional wisdom right now is that its likely to be Omicron and that we’re gonna be formulating vaccines against that variant going forward.’

Either way, Gottlieb still expects the virus to evolve — just as the flu does — in a situation that could require the use of regular Covid shots to control the virus.

‘[The virus is] gonna continue to evolve too, in ways that try to partially evade out immune system, and its probably going to achieve some new fitness level and that’s why we’re gonna have to re-inoculate the population at least for a period of time,’ he said. 

Fauci, director of the National Institute of Allergies and Infectious Disease, warned that Covid becoming endemic may not be as likely as many say at the  Monday.

The nation’s Covid czar warned that a new variant could emerge that makes ‘natural vaccination’ — or immunity via previous infection — ineffective.If that does happen, then humans will not be able to enter an endemic stage of Covid. 

His warning runs counter to the positive predictions coming from Gottlieb and from some officials in the UK who believe that the virus could have a ‘flu-type’ relationship with people by the end of the year based on its current spread.

‘I would hope that that’s the case.But that would only be the case if we don’t get another variant that eludes the immune response of the prior variant,’ Fauci said. 

Fauci has previously made grim projections about new COVID variants, and was ultimately proven correct about a variant like Omicron emerging. 

In August, when the Delta variant was first rising in the US, Fauci warned that with transmission of Covid so rampant it was likely that a vaccine resistant variant .

Months later, than variant did come about, when South African health officials discovered the highly infectious Omicron variant in late November.

He fears that there is a chance another variant emerges that has mutated in a way that allows it to get around protection provided by recovering from Omicron. 

COVID becoming endemic as a result of Omicron has become a common theory among health experts and officials, and has served as a beacon of hope for the population suffering through the recent surge.

Omicron is burning through people so quickly, causing daily COVID cases to hit records almost everywhere in the world, that it could soon run out of people to infect. 

According to data from the Centers for Disease Control and Prevention, Omicron accounts for 98 percent of active cases in the US, almost entirely pushing out the much more severe Delta variant.

Add that COVID booster shots have been found to be effective against the variant and the number of people left for the variant to infect is quickly running out.

Once it does burn out, infections will continue at a lower rate, and due to the mild nature of the variant and regular availability of vaccines in the developed world it should be possible to control the virus. 

Fauci said reaching that level is what would be needed for COVID to be shifted from a pandemic to endemic.

‘Control means you have it present but it is present at a level that does not disrupt society,’ he said. ‘That’s my definition of what endemicity would mean.’ 

At this point, life would basically be back to normal.Lockdown measures, masking and vaccine mandates would no longer be needed even though the virus is still circulating.

‘It’s not going to be that you’ll eliminate this disease completely. But hopefully, it will be at such a low level that it doesn’t disrupt our normal social, economic and other interactions with each other,’ Fauci said. 

‘To me, that’s what the new normal is.’ 

Whether Covid develops into an endemic or not is still in the air, but in the short term, America’s Covid situation is starting to look better by the day. 

Covid cases are finally on the decline in New York.The Empire state was hit hard and fast by the Omicron variant last month, with cases jumping ten-fold in a matter of weeks. After peaking at 40,000 new cases per day in early January, the state is now recording a 27 percent decrease in new cases over the past two weeks. 

The state was once the leader in infection rate in the U.S., but has now fallen out of the top 15 states with 249 of every 100,000 residents testing positive for the virus daily. 

Neighboring New Jersey, which was also hit hard by the new variant, has seen a similar dip in its caseload.

The Garden state has recorded a 28 percent drop in new cases over the past 14 days, the biggest drop of any state in America. Like New York, New Jersey experienced a massive seven-fold case increase when Omicron first arrived in the U.S. early last month.

It seems that the surge is finally starting to burn out.

Others states that were once among the nationwide leaders in case growth are seeing daily cases start to slow as well, like Illinois, Maryland, Florida and Georgia. 

Declining case growth nationwide is providing even more evidence that the Omicron-fueled surge is starting to reach its peak.While the MLK day holiday also affected case change counts as well, many states were already trending downwards.

<div class="art-ins mol-factbox health halfRHS" data-version="2" id="mol-66825140-78ab-11ec-9069-7b511aa0bffd" website FDA chief says another Omicron-like virus strain is unlikely