In a bad year for flu, we can lose 20,000-25,000 people. With a largely vaccinated population, there are likely to be about 30,000 Covid-related deaths over the next 12 months, an average of about 80 deaths every day. This is about half of one per cent of the deaths we would normally expect to happen in that period.
And not all of these will be additional deaths. In many cases, Covid will just substitute for another respiratory infection.
Dr Susan Hopkins, an epidemiologist consultant in infectious diseases and microbiology from Public Health England, has pointed to the possibility we will suffer a bad flu season in 2021/22 because the level of population immunity has been pushed down by Covid restrictions in 2020/21.
La Jolla Institute for Immunology
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- Your immune system’s ‘memory’ T cells keep track of the viruses they have seen before.
- New study led by scientists at La Jolla Institute for Immunology (LJI) shows that memory helper T cells that recognize common cold coronaviruses also recognize matching sites on SARS-CoV-2, the virus that causes COVID-19.
- Having a strong T cell response, or a better T cell response may give you the opportunity to mount a much quicker and stronger response.
- 40%-60% of people never exposed to SARS-CoV-2 had T cells that reacted to the virus showing that their immune systems recognized the virus.
- This finding turned out to be a global phenomenon and was reported in people from the Netherlands, Germany, the United Kingdom and Singapore.
- This discovery suggests that fighting off a common cold coronavirus can induce cross-reactive T cell memory against SARS-CoV-2.
https://medicalxpress.com/news/2020-08-exposure-common-cold-coronaviruses-immune.html