NEW YORK( BLOOMBERG)-Antibodies against the coronavirus wane over time, but the immune system has a

People with weakened immune systems are already entitled to a fourth jab but the rollout could be

Hisham Abdullah.He said there have been cases of waning immunity after receiving the primary doses

end: achieving herd immunity.... Recent evidence has also made clear that the immunity provided by

The UK has seen a recent uptick in Covid cases and hospital admissions after numbers had been falling steadily since the wave of Omicron cases in January.... After several weeks of decline, the latest NHS Test and Trace figures show that 323, 032 people in England tested positive for Covid between 3 and 9 March, an increase of 55.5 per cent compared to the previous week where 207, 728 people tested positive. The Office for National Statistics( ONS) reported that roughly one in 20 people in Engl

CHICAGO( REUTERS)-New data from Moderna's large Covid-19 vaccine trial shows that the protection it offers declines over time, supporting the case for booster doses, the company said in a news release on Wednesday( Sept 15). Several recent studies have suggested that its vaccine may have an edge over a similar shot from Pfizer and German partner BioNTech in terms of maintaining efficacy over time. Experts said the difference is likely due to Moderna's higher dose of messenger RNA( mRNA) and the

LONDON( REUTERS)-A British public health study has found that protection from either of the two most commonly used Covid-19 vaccines against the now prevalent Delta variant of the coronavirus weakens within three months.It also found that those who get infected after receiving two shots of either the Pfizer-BioNTech or the AstraZeneca vaccine may be of greater risk to others than under previous variants of the coronavirus. Based on more than three million nose and throat swabs taken across Brita

since the country began rolling out immunizations in late 2020.... More than 72% of the country has

seeing “ concerning evidence of waning vaccine effectiveness over time and against the Delta variant

determined that transplant recipients and others with a similar level of compromised immunity can receive a