More than 60% of the total population in Israel is vaccinated, 65% in the UK and 54% in the United States. This does not preclude the disappearance of record levels of new epidemics in those countries.
Israel is present The highest infection rate in the world; The proportion of this country is more than twice that of the United Kingdom and the United States. In the UK, hospital admissions continue to rise and there are currently nearly 2,000 deaths a day in the United States.
According to Professor Barry Pack, things like the early relaxation of health measures and the decline in the effectiveness of the vaccine explain why some places are severely affected. But we must not forget the merits of each jurisdiction, he said.
International comparisons are complicated because Kovit-19 is complexSays Barry Bax, professor of public health and preventive medicine at the Dalla Lana School of Public Health at the University of Toronto. He says screening and population size could have an impact on virus control.
One factor that somewhat explains the large increase in cases in Israel, for example, is that the country has a very young population, including many children who are not yet eligible for the vaccine.
It should be noted that in Canada and elsewhere in the world, most infections are diagnosed in unvaccinated people. Young people who are not eligible for the vaccine are the most affected by this recent wave.
Very rapid output of measurements
Many experts believe that – mistakenly – Israel – one of the first countries to vaccinate the majority of its population – has reached herd immunity. However, Israel was able to vaccinate less than 65% of the population.
We made mistakes because we thought we had won the war, but now we understand that we only won one war. The war is still going on and we need to vaccinate more people, Recently Professor Salman Sarka advises the Israeli government in the fight against Govt-19, in an interview with the newspaper Times of Israel.
According to Professor Fax, 90% of people, including children, need to be vaccinated to control the onset of delta variant infection. No country in the world has reached this limit. Portugal, Iceland and the United Arab Emirates alone account for 80% of the population vaccinated.
Israel and the United Kingdom, hoping to protect themselves from the vaccine, gave up wearing masks in public in early summer. They removed almost all health activities (including the duty to isolate after contact with the victim) and allowed bars, clubs and major sporting and cultural events. Israel has temporarily dropped its vaccine passport; There is the United Kingdom Abandoned with the intention of imposing one.
In many US states – especially Florida – the vaccine rate is very low and the situation is similar when fully allowed to reopen. The governor has also banned the wearing of masks at school.
The delta variant – which is highly contagious – came to prove that they have not yet won the war against the corona virus. Israel has reintroduced the wearing of masks, accelerating less crowds and screenings.
These countries pay far less attention than we do to activities other than vaccination. They went very fast. You see Alberta, it’s the same, now cases and hospitals are rising, Says Dr. Andre Violet, an immunologist at the Montreal Medical Research Institute.
Alberta, as well as British Columbia and Saskatchewan – where restrictions were largely lifted this summer – now see recorded cases and hospital admissions.
We had a natural experience with Alberta and we see catastrophic results, Says Professor Bax.
Alberta Health Chief Medical Officer Dina Hinsha did His Mia Gulpa this week, Threw action in advance and pushed Alberta into an unprecedented new wave.
And more and more countries are starting to impose some kind of vaccine passport to access certain functions and some public places. What will be the effect of this action? If it is even harder to say for sure, we can already see that in France, the infection rate has dropped below 100 cases per 100,000 people, for the first time since mid-July.
Note that France imposed a health passport on August 9 and the vaccination rate has since increased. In addition, in August, many parts of France reintroduced the wearing of mandatory masks in public.
Professor Fax added that the drop in cases in France may be due in part to the fact that the population is accustomed to living in times of epidemics and has self-control when needed.
As cases increase, people panic and even though there is no locking up, people are less focused on their involvement.
Immunization immunity is low
In Israel, about 3 million people have already received the third dose of the vaccine, and the country is now talking about the fourth drug. According to data from this country, the immunity of the vaccine decreases after a few months and can be partly explained by the increase in new infections.
Canada and the United States started vaccinating a little later than Israel, can they quickly face a weakening of the immune system over time? Does a person who was vaccinated in January have less protection than a person who was vaccinated in July?
I would be very surprised if there is data in the United States [sur la durée de l’immunité] Different from those who come from Israel, Said Dr.Anthony Fauci in an interview Politics.
However, Professor Pax points out that some subtleties need to be done.
First, Israel adopted a very different vaccination strategy from Canada. In Israel, the second dose is given within one month of the first, initially the recommended duration by the vaccine manufacturer.
In Canada, authorities have chosen a delay of between 8 and 12 weeks.
This decision was initially controversial in Canada. But this strategy was better and offers better long-term performance and seems to be against delta variation., Says Professor Bax. However, the exact duration of this immunity is unknown.
Like Israel, British researchers have noticed that the effectiveness of the vaccine is declining over time. According to UK data, the Pfizer vaccine is 88% effective, but drops to 74% after five to six months; The AstraZeneca vaccine is initially 77% effective, but drops to 67% after four to five months.
In addition, in the UK, the bulk of AstraZeneca’s vaccine vaccine has been used, which is thought to be less effective than the Community vaccine from Pfizer and Spikevax from Moderna.
That’s for these reasons The UK offers a third dose People 50 years of age and older, residents of long-term care facilities and all adults are ill. Due to the low efficacy of the Vaxzevria vaccine, people who receive it will receive a third dose of the RNA vaccine.
If Israel I thought they were seeing positive effects from the third dose, Is far from mastering this latest wave.
On Friday, in the United States, a panel of experts from the US Food and Drug Administration (FDA) recommended giving a third dose of the vaccine to seniors and those at high risk for COVID-19. The Centers for Disease Control and Prevention (CDC) should also make their recommendation, but it seems obvious to give a third dose to the general public.
For many experts, administering a third dose at this time is not a magical solution with new waves.
Furthermore, the World Health Organization (WHO) continued to demand that the third dose not be administered, ruling that most people in the world should be vaccinated with the first dose.
According to Professor Pax, it is clear that Canada must continue to follow what is happening in other countries, especially Israel and the United Kingdom.
These countries have better data collection systems than Canada. It is difficult to learn from our mistakes without data to understand. Experts say it again: 90% of people, including children, need to be vaccinated to deal with the virus. Otherwise new waves will continue to emerge.
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