Coronavirus Spain today, latest news | A new nanoparticle-based vaccine offers very powerful protection against Covid variants

Science continues to advance on its way to discover new weapons against the coronavirus.

A

against the

based on nanoparticles and developed by scientists at the

(USA) causes immune responses that suggest a very powerful protection.

This

experimental

does not use

, messenger RNA, or single copies of the

spike protein

, and is instead made of proteins.

The data of the coronavirus in Spain

Total figures

: 4,997,732 confirmed coronavirus cases with diagnostic test for active infection;

There have been 87,132 deaths with a positive test as of October 22.

• 806,553 in Andalusia (11,252 dead)

• 162,298 in Aragon (3,875 dead)

• 71,203 in Asturias (2,074 dead)

• 100,363 in the Balearic Islands (992 dead)

• 96,560 in the Canary Islands (1,009 dead)

• 46,667 in Cantabria (609 dead)

• 239,817 in Castilla-La Mancha (6,479 dead)

• 300,855 in Castilla y León (7,339 dead)

• 926,815 in Catalonia (15,865 dead)

• 7,586 in Ceuta (128 dead)

• 513,610 in the Valencian Community (7,799 dead)

• 103,110 in Extremadura (1,992 dead)

• 187,201 in Galicia (2,646 dead)

• 896,640 in Madrid (16,169 dead)

• 11,054 in Melilla (112 dead)

• 142,042 in Murcia (1,745 dead)

• 83,082 in Navarra (1,251 dead)

• 262,668 in the Basque Country (4,973 dead)

• 39,608 in La Rioja (823 dead)

07.50.

A new vaccine candidate shows great promise against coronavirus variants

A

against the

based on nanoparticles and developed by scientists at the

(USA) causes immune responses that suggest a very powerful and comprehensive protection against

in a preclinical study.

The results, published in the journal

, need to be confirmed in human trials, but they point to the possibility of achieving strong and long-lasting immunity against all major variants of

.

This experimental vaccine does not use viruses, messenger RNA, or single copies of the

spike protein

, and is instead made of proteins that self-assemble into virus-like nanoparticle structures.

The researchers found that, in mice, these nanoparticle structures elicit immune responses that powerfully neutralize the original Wuhan strain of

, and with the same potency all other major variants of interest, including the fast-spreading delta variant. .

The scientists also examined the cell roots of the immunity induced by their experimental vaccine, showing how their coronavirus-like particles - compared to the loose copies of the

spike protein

used by other vaccines - they had a much longer and stronger commitment to immune cells that give rise to long-term immunity.

According to the criteria of The Trust Project

Know more

• Coronavirus

• Covid 19

• Science and Health

• Vaccines

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