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Software | Windows 10 P |
A really nice summary that explains the difficulty of coming up with a "one shot protect all" vaccine for CoVID19.
I put the first line here, the rest can be found in the PDF attached.
If you’re hoping a vaccine is going to be a knight in shining armor saving the day, you may be in for a disappointment. SARSCOV2 is a highly contagious virus. A vaccine will need to induce durable high level immunity, but coronaviruses often don’t induce that kind of immunity
Re-infection by evolved strain of COVID19 will be an extremely likely situation. As one of the review paper quoted in the PDF pointed out from the problem with CoV virus infecting chicken.
"These vaccines, administered parenterally, may not protect against the infection but they can reduce the severity of the respiratory signs and prevent involvement of the kidney and reproductive tract (Saif, 2020). One of the main issues of parenteral vaccination against respiratory CoVs in animals is that it does not trigger strong local immunity, usually represented by mucosal immunoglobulin A (IgA). Mucosal immunity, even if not preventing the infection, is able to reduce viral shedding (in terms of duration and extent) and the severity of the respiratory disease. Also this may be the case for SARS-CoV-2, which primarily affects the respiratory tract and, to a lesser extent, the enteric tract, with limited viremia and/or systemic involvement (Wong et al., 2020). "
There might be need to develop multiple vaccine delivery system that simultaneously target multiple system of our body: digestive tract, blood stream and respiratory tract.
Another review of human corona virus
This virus and its offsprings will be sticking with the entire human population for a very long time. In the future you will most likely be getting your annual influenza shot as well as your annual coronavirus shot.
And some corona research comic to lighten up a bit. We will power through this as a species
I put the first line here, the rest can be found in the PDF attached.
If you’re hoping a vaccine is going to be a knight in shining armor saving the day, you may be in for a disappointment. SARSCOV2 is a highly contagious virus. A vaccine will need to induce durable high level immunity, but coronaviruses often don’t induce that kind of immunity
Re-infection by evolved strain of COVID19 will be an extremely likely situation. As one of the review paper quoted in the PDF pointed out from the problem with CoV virus infecting chicken.
"These vaccines, administered parenterally, may not protect against the infection but they can reduce the severity of the respiratory signs and prevent involvement of the kidney and reproductive tract (Saif, 2020). One of the main issues of parenteral vaccination against respiratory CoVs in animals is that it does not trigger strong local immunity, usually represented by mucosal immunoglobulin A (IgA). Mucosal immunity, even if not preventing the infection, is able to reduce viral shedding (in terms of duration and extent) and the severity of the respiratory disease. Also this may be the case for SARS-CoV-2, which primarily affects the respiratory tract and, to a lesser extent, the enteric tract, with limited viremia and/or systemic involvement (Wong et al., 2020). "
There might be need to develop multiple vaccine delivery system that simultaneously target multiple system of our body: digestive tract, blood stream and respiratory tract.
Another review of human corona virus
This virus and its offsprings will be sticking with the entire human population for a very long time. In the future you will most likely be getting your annual influenza shot as well as your annual coronavirus shot.
And some corona research comic to lighten up a bit. We will power through this as a species