NSW Covid Wave Peaks Days Before Christmas as Scientists Develop New Nasal Vaccine

NSW Covid Wave Peaks Days Before Christmas as Scientists Develop New Nasal Vaccine

NSW Covid Wave Peaks Days Before Christmas as Scientists Develop New Nasal Vaccine

By Australian Associated Press

There were 38,610 people diagnosed with Covid across the state this week, along with 78 deaths

New South Wales has passed the peak of it’s latest Covid-19 wave just days before Christmas, as Sydney scientists develop an innovative nasal vaccine for the virus.

“This week, as predicted, key indicators show the number of cases in NSW are stable or declining which suggests we have passed the peak of the Covid-19 wave,” the chief health officer, Dr Kerry Chant, said in a video statement.

“However the transmission remains high in the community.”

There were 38,610 people diagnosed with Covid-19 across the state this week to 4pm on Thursday, a decrease of 5.4% since the previous week. Seventy-eight deaths were also reported.

Infections continue to stabilise in Victoria, remaining in the 24,000s for a second successive week after hitting 27,000 earlier in the month.

The state tallied another 100 deaths.

While Australia’s largest states may be over the worst, the virus is wreaking havoc in Tasmania.

The state’s north-west health service region has escalated its Covid-19 management plan to level two, impacting several hospitals and health centres. This follows a recommendation based on levels of virus-positive inpatients and Covid-related staff absences, and general demand for services.

South Australia reported 10,474 new cases on Friday, a seven per cent fall compared to the previous week, but chief public health officer Nicola Spurrier said it was still uncertain if the peak had been reached.

“It’s still too early to call it. I’m hoping over the next couple of days and the next week, we’ll see a more substantial drop,” she said.

“I know it would be nice not to be thinking about the pandemic anymore but we certainly still have lots of cases in our community.”

Meanwhile, research led by the Centenary Institute and University of Sydney focused on the development of a new nasal Covid-19 vaccine has received close to $1m funding.

The nasally inhaled vaccine is designed to induce immunity in the airways and block virus transmission.

There is an urgent need for new vaccine strategies, chief investigator Prof Warwick Britton said.

“Although approved vaccines substantially reduce severe disease and hospitalisation, there is little evidence they block viral transmission, especially for newly emerging variants,” he said.

“This is because current intramuscular vaccines do not stimulate production of virus-neutralising antibodies and T cells in the nasal cavity and airways – sites where infection commences in the body.”

A critical part of the research will be the development of a stable, dry powder form of the vaccine to facilitate nasal delivery.

“If successfully translated to the clinic, this vaccine strategy would be a transformative innovation in the fight against Sars-CoV-2, addressing needs not met by current vaccines,” Britton added.

“It offers an approach to reduce Covid-19 related morbidity in vulnerable populations and also to limit viral transmission amongst the wider community, thereby reducing disruption to our economy and daily life.”

Original source: https://www.theguardian.com/australia-news/2022/dec/23/nsw-covid-wave-peaks-days-before-christmas-as-scientists-develop-new-nasal-vaccine

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08 Feb 23
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