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Despite US Covid-19 cases dropping, infections are still staggeringly high. Here’s what has experts worried

A new ensemble forecast published Wednesday by the Centers for Disease Control and Prevention suggests the daily Covid-19 death rate will slow in the coming weeks — good news following more than a month of declining case and hospitalization numbers.

But now is no time to let up on safety measures — for several reasons — according to experts.

First, Covid-19 numbers across the US remain staggeringly high. For the past week, the US has averaged more than 72,000 new cases daily, according to Johns Hopkins University data. Getting infection numbers down now not only will help prevent the virus from further mutating but it will also give vaccines a better shot at remaining effective.

More than 54,000 people remain hospitalized with the virus nationwide, according to the COVID Tracking Project. And more than 57,000 Covid-19 deaths have been recorded this month alone. On Wednesday, California became the first state to surpass 50,000 virus-related deaths, Johns Hopkins data showed — a grim reminder of the state’s brutal battle against the virus.

Another big reason to remain cautious? Experts have warned another case surge is likely on its way, one that will this time be fueled by coronavirus variants — and the country is still nowhere near herd immunity levels.

In fact, health officials are preparing for a possible third wave that will be driven by a rapidly spreading variant that was first identified in the UK: B.1.1.7. Data from the CDC shows more than 1,880 cases of the variant have been detected across the US — but scientists have warned that number likely doesn’t represent the total of cases in the country.

“We could all wish for this to be the last wave,” said Andy Slavitt, the White House senior adviser for the Covid-19 Response Team. “But we wouldn’t be doing our jobs if we weren’t really focused on containment measures for variants, if we weren’t really focused on how therapeutics might help to minimize the effects of the variants, how we might make sure, if we have another wave, it feels different,” he told a webinar held by the American Public Health Association.

To address this growing threat, the CDC is collaborating with public and private labs to expand genomic sequencing capacity. And with the $200 million investment in sequencing from the Biden administration last week, the CDC hopes to quickly reach the goal of sequencing 25,000 sample sequences per week, Walensky said.

Meanwhile, two separate teams of researchers said they’ve found a worrying new variant in New York City and other areas in the Northeast that carries mutations helping it evade the body’s natural immune response — as well as the effects of monoclonal antibody treatments.

And two studies due to come out soon raise concerns about a variant that scientists have been keeping an eye on in California, hinting the variant might not only be more contagious, but may also cause more severe disease.

A third vaccine for US could be just days away

The US could be just days away from getting another vaccine on the market.

Vaccine advisers to the Food and Drug Administration will meet on Friday to determine if the Johnson & Johnson vaccine works and if it’s safe. They will make a recommendation to the FDA and the agency could give the vaccine the green light as early as Friday or Saturday. Then, advisers to the CDC are scheduled to meet Sunday to discuss recommendations surrounding the vaccine’s potential rollout — recommendations that would have to be formally accepted by the CDC.

In an analysis released on Wednesday, the FDA said the Johnson & Johnson vaccine has met the requirements for an emergency use authorization.

The efficacy of the vaccine against moderate to severe/critical Covid-19 across all geographic areas was 66.9% at least 14 days after the single-dose vaccination and 66.1% at least 28 days after vaccination, according to the analysis.

“There were no specific safety concerns identified in subgroup analyses by age, race, ethnicity, medical comorbidities, or prior SARS-CoV-2 infection,” the analysis said.

Meanwhile, the US supply of vaccines is set to ramp up significantly in the coming months.

Pfizer and Moderna — whose vaccines were already authorized for emergency use — have pledged to make a combined total of 220 million doses available for shipment by the end of March. Meanwhile, Johnson & Johnson, if it secures an emergency use authorization, has pledged to make 20 million doses available in the same time frame.

And a fourth Covid-19 vaccine could become available in the US in April — which could add millions more doses to the country’s supply by the end of that month.

Dr. Anthony Fauci, director of the National Institute of Allergy and Infectious Diseases, told NBC’s Savannah Guthrie that Americans should get whichever shot is available the soonest rather than wait for one over another.

“This is a race, Savannah, between the virus and getting vaccines into people. The longer someone waits on getting vaccinated, the better chance the virus has to get a variant or a mutation,” he said. “So, the sooner we get vaccine into the arms of individuals, whatever that vaccine is, once it gets by the FDA for an EUA, if it’s available to you, get it.”

President Joe Biden has previously said the US will have enough vaccines for 300 million Americans by the end of July.

Other challenges faced by national and state leaders are the issues of vaccine hesitancy and racial inequalities. Black and Latino Americans are receiving the Covid-19 vaccines at significantly lower rates than White people, even though they are getting infected and dying at much higher rates.

California officials, meanwhile, said they will make changes to the statewide Covid-19 vaccine appointment system after access codes distributed to underserved communities were used by outsiders to secure vaccine appointments.

Recent data shows Black and Latino residents collectively have received a combined 19% of the state’s vaccine doses while accounting for nearly 60% of California’s Covid-19 cases. In contrast, White residents have been given 32.7% of vaccine doses while making up about 20% of the state’s cases.

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