Axicon telescope

Health experts can use sewage samples to track the presence of SARS-CoV-2 (the virus that causes COVID-19) as a data point to anticipate any spikes locally. Updated wastewater surveillance data from the Centers for Disease Control and Prevention shows that New Jersey and 43 other states have either "high" or "very high" levels of COVID in water samples.

"These new COVID vaccines have been updated to give you the best protection from JN.1-based variants, and these are the ones that are circulating now.," she said in an interview last week.

Conical lenses are used to transform the light into a ring or to create an approximation of non-diffractive Bessel beam from collimated Gaussian beam in the near field.

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Both of these subvariants are "relatives" of JN.1, according to Dr. Sandra Fryhofer of the American Medical Association.

Amid the nationwide uptick in cases, the U.S. Food and Drug Administration granted emergency use authorization for the latest mRNA vaccines, which have been reformulated to focus on a newer omicron variant known as KP.2, or FLiRT. The approval for this year's vaccine came a little earlier than in previous years, and the CDC has already recommended this fall’s shot for everyone age 6 months and older.

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A combination of axicons and spherical lenses can be used to convert a parallel laser beam into a thick-walled hollow "pipe" of light or to produce an annular focus (see images).

The most prevalent strains of COVID-19 in New Jersey are Omicron subvariants LB.1 and KP.3.1.1, which make up 48.5 percent of sequenced test results, according to the latest Department of Health report.

And though different omicron strains such as KP.3.1.1 have also been spreading (and may become more common in the fall and winter), health officials said the variants are closely-related enough for the 2024-25 COVID vaccines to ensure cross-protection.

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The Garden State was last at a "very high" level from the week of Dec. 9, 2023 through the week of Feb. 10 and has not been at the "high" level since early mid-February, CDC data shows.

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North Dakota and Arizona were not included in the latest report, as there were no sites in those states reporting data for the week ending on Aug. 31.

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In the past week, 9.7 percent of COVID tests have been positive in the Garden State, compared to 16.3 percent nationally. The latest state data shows that 2.5 percent of hospital beds are occupied by COVID-19 patients, and 1.7 percent of ICU beds.

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As of Aug. 31, a total of 483 New Jersey residents have died this year due to COVID-19, per the state Department of Health. More than half of these deaths (295) were people aged 80 and above.

The lowest level reported among states is “moderate,” and no states reported “low” or “minimal” levels of viral activity in wastewater.

NEW JERSEY — As most of the country sees a summer COVID-19 surge, New Jersey has joined dozens of other states that show "high" or "very high" levels of the virus in communities' wastewater.

Although it appears illnesses associated with FLiRT aren’t as serious as those caused by other variants, some symptoms set it apart. They include: