A study of 614 fully vaccinated health workers in India found a “significant” drop in their Covid-fighting antibodies within four months of the first shot.

Britain’s state-run National Health Service will on Sept. 13 begin the world’s biggest trial of Grail Inc.’s flagship Galleri blood test that can be used to detect more than 50 types of cancer before symptoms appear.

Novartis AG said on Sept. 1 the company agreed on a deal with Britain’s healthcare service provider for use of the drugmaker’s new anti-cholesterol product Leqvio, after the country’s healthcare cost agency NICE approved the medicine.

A British public health study found that protection from either of the two most commonly used Covid-19 vaccines against the prevalent Delta variant of the coronavirus weakens within three months.

There are early signs that people who have been vaccinated against Covid-19 may be able to transmit the Delta variant of the virus as easily as those who have not, scientists at Public Health England (PHE) said on Aug. 6.

Britain said on July 7 the country would provide genomic sequencing support to Brazil, Ethiopia, Kenya, Nigeria and Pakistan to help identify, assess and track new variants of the novel coronavirus.

A third shot of the Oxford-AstraZeneca Covid-19 vaccine produces a strong immune response, researchers said on June 28, adding there was not yet evidence that such shots were needed, especially given shortages in some countries.

The virus that causes Covid-19 could have started spreading in China as early as October 2019, two months before the first case was identified in the central city of Wuhan, a new study showed on June 25.

The University of Oxford is testing the anti-parasitic drug ivermectin as a possible treatment for Covid-19, as part of a British government-backed study that aims to aid recoveries in non-hospital settings.

The Delta variant of Covid-19 – first identified in India – is becoming the globally dominant variant of the disease, the World Health Organization’s chief scientist said on June 18.