Tag: Immunity

A simplistic use of 'herd immunity' led to fanciful claims that COVID-19 would disappear once 60% of the population was vaccinated. But is there a dark side to aiming at 'herd immunity' through vaccines?

The UKHSA has finally published raw data on hospital admissions by vaccination status – and alarmingly, they show that the vaccinated are hospitalised for non-Covid reasons at five times the rate of the unvaccinated.

A pre-print study by US Government researchers shows vaccinated people produce a less comprehensive immune system response following SARS-CoV-2 infection than unvaccinated people.

John Collis draws on the work of Prof Daniel M Davis to explore the role of genes in the immune system and asks whether genetic diversity might explain why some people are worse affected by Covid than others.

Why are some countries surging this autumn but others aren't? India had a big Delta surge but has seen no new rise since, while the impact of Delta on Sweden has been very modest. Why is that?

Brits are complaining about their 'worst cold ever', with scientists saying that the decline in flu immunity during long, continued lockdowns could be a bigger problem this winter than Covid.

Retired dentist Dr Mark Shaw says that just as dentists are taught to intervene as little as possible and trust the human body, public health experts should heed the same lesson.

New Zealand and Australia are currently seeing a large number of children in hospital with respiratory illness, which doctors are blaming on the lockdowns for keeping them away from bugs.

All English adults are now able to book a Covid vaccination, with the number of over-18s who have been vaccinated nearing 45 million (over 80%) – yet still we wait.

A new study of over 50,000 employees of the healthcare system in Cleveland, Ohio, has found that previous infection gives very robust protection against re-infection and there is no gain to being vaccinated as well.