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A new study has found that Covid-19 vaccines prevent people from passing the virus on to others. The study is one of many with similar results and could pave the way for scientists to support the introduction of “vaccine passports”.
A pre-printed study released on Friday found that family members of vaccinated British healthcare workers were around 30% less likely to catch Covid-19 than those of unvaccinated workers.
Good news 👏 in this new preprint looking at the vaccination of health workers in Scotland: “suggests that the vaccine helps prevent people from passing the virus on to others – which has been suspected but has not been shown before. ” https://t.co/1Omp64YtkZ
– Teacher. Devi Sridhar (visdevisridhar) March 12, 2021
Although a 30% reduction may seem minor, the study pointed out that these family members were also at risk of catching the virus outside the home, making it a “Underestimate the ‘true’ effect of vaccination on transmission.”
We provide the first direct evidence that vaccinating people working in high exposure environments reduces the risk to their close contacts – their household members.
The study was conducted by researchers from several leading UK universities and institutions, including the London School of Hygiene and Tropical Medicine, the Imperial College NHS Trust and the MRC Institute of Genetics and Molecular Medicine at the University of Edinburgh. Elsewhere, Israeli researchers have also found that the vaccine from US drug maker Pfizer is 94% effective against asymptomatic transmission of the virus, while the US Centers for Disease Control and Prevention recently relaxed its guidelines for people. who took the vaccine, what the press called “Limited freedoms” to this group.
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However, health officials in the United States have insisted that masking and social distancing is there for the long haul, regardless of how well the vaccines work. White House adviser Anthony Fauci last month said facial covers may be needed until 2022, saying “There are things, even if you are vaccinated, that you will not be able to do in society.”
The World Health Organization said last month that “There are still critical unknowns regarding the effectiveness of vaccination in reducing transmission”, in a statement advising against the introduction of so-called “vaccine passports” for air travel. This advice is expected to be revised in May, and the latest findings from the UK and Israel could strengthen the case for proof of vaccination as a prerequisite for international travel.
Devi Sridhar, professor of public health at the University of Edinburgh, predicted that the UK study would pave the way for “Aviation and international mobility [safely opening] with the test and vaccination passports, “ but added that it would raise “Major ethical issues.”
Implications: 1.Possible to work on suppression and elimination with a vaccine (like measles), especially if the immunity is sustained for 1 to 2 years. Aeronautical and international mobility will open in complete safety with test and vaccination passports (raises major ethical issues).
– Teacher. Devi Sridhar (visdevisridhar) March 12, 2021
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