What takes 1-2 years is the testing to determine 1) is it safe on humans? and 2) does it work?
On Fri, Mar 13, 2020 at 3:15 PM Meade Dillon via Mercedes < mercedes@okiebenz.com> wrote: > Let me try again, this link should work > > > https://www.defenseone.com/technology/2020/03/breaking-weve-got-vaccine-says-pentagon-funded-company/163739/?oref=d-mostread > > " *A Canadian company says that it has *produced a COVID-19 vaccine just 20 > days after receiving the coronavirus’s genetic sequence, using a unique > technology that they soon hope to submit for FDA approval. > > Medicago CEO Bruce Clark said his company could produce as many as 10 > million doses a month. If regulatory hurdles can be cleared, he said in a > Thursday interview, the vaccine could start to become available > in November 2021. " > ------------- > Max > Charleston SC > > > On Fri, Mar 13, 2020 at 3:06 PM Max Dillon <dillonm...@gmail.com> wrote: > > > Looks like some companies think they've already got a vaccine ready for > > testing. > > > > > > > https://www.defenseone.com/technology/2020/03/breaking-weve-got-vaccine-says-pentagon-funded-company/ > > > > > > Max Dillon > > Charleston SC > > > > Mar 13, 2020 12:24:51 PM archer75--- via Mercedes <mercedes@okiebenz.com > >: > > > > > > > > > > > > > > Philly vaccine pioneer: We can’t rush a coronavirus vaccine | Q&A > > > > > > > > > At a White House news conference Tuesday, Anthony Fauci, the head of > the > > National Institute of Allergy and Infectious Disease, told President > Donald > > Trump a coronavirus vaccine would likely not be available within the next > > year or two. Trump responded: “I like the sound of a couple of months > > better.” > > > > > > But a vaccine is not going to be available in the next couple of > months, > > and according to Dr. Paul Offit, that’s appropriate. Offit, director of > the > > Vaccine Education Center at Children’s Hospital of Philadelphia, is the > > co-developer of the rotavirus vaccine. It took roughly 26 years to > perfect > > that protection against a disease that, according to the Centers for > > Disease Control and Prevention, was the leading cause for severe diarrhea > > in children before the vaccine’s introduction in 2006. > > > > > > Why is it unrealistic to expect a vaccine for coronavirus in a few > > months? > > > > > > Nobody’s ever seen this virus before. Therefore, if you’re interested > in > > making a vaccine, you first had access to that virus only a couple months > > ago. That’s not long. > > > > > > [To make a vaccine] you first need to make a decision as to what > > approach you want to take. Then you have to do extensive animal model > > testing to make sure that the approach that you’ve taken is safe in > > animals, and that it induces an immune response which would likely be > > protective. Then you gradually do studies in people to make sure it’s > safe, > > and then to make sure that it induces an immune response. That takes > time, > > a lot of time, typically years. Then and only then, are you ready to put > it > > into people to see whether or not it works in an outbreak situation. > > > > > > In 2018, after the World Health Organization declared an Ebola outbreak > > in the Democratic Republic of Congo, there was an experimental vaccine > very > > quickly. > > > > > > I think people got fooled by Ebola. When the outbreak occurred in West > > Africa and we had a vaccine pretty much that rolled off shelf within > weeks, > > people thought, Ha! That’s easy. > > > > > > But what they didn’t realize is people have been working on an Ebola > > vaccine for 20 years. They’ve done the animal model testing. They’ve done > > the testing to make sure that the vaccine was safe and was immunogenic. > > > > > > But that’s not true here. This is a new virus. So we’re starting from > > scratch. > > > > > > What is it about this virus that makes people confident that a vaccine > > will be available? > > > > > > I don’t know. You know, I’d say about 15% to 20% of the respiratory > > infections that we see in our hospital in the winter months are [types > of] > > coronavirus. This is a virus that has been around for 50 years. > > > > > > But here are these three newer strains of coronavirus — MERS, SARS, and > > now this COVID-19. The first two viruses, SARS and MERS, have come and > gone. > > > > > > I think this [COVID-19] virus likely will come back because it’s > > different. If you were infected with SARS or MERS viruses, you were sick. > > And it’s very easy to tell who was sick and who wasn’t. You could then > > quarantine those people — put a moat around them, if you will — so that > > they wouldn’t infect others. So those infections quickly died out. This > > virus is more like flu. It spreads in a similar manner to flu by > > respiratory droplet. It’s about as contagious as flu. It has the same set > > of symptoms as flu. And I think in the end, frankly, it’s going to have > the > > same mortality rate as flu. > > > > > > There are certainly human studies showing that if you’re infected with > a > > coronavirus — meaning one of the typical coronaviruses — you can have > > immunity to that strain for at least a year and probably longer. That’s > > encouraging. If natural infection can protect you, then it’s encouraging > > that it can produce an immune response which is protective and which you > > should be able to mimic with vaccination. > > > > > > Vaccine development is tightly regulated. How much of that is about > > safety vs. red tape? > > > > > > If you’re going to be testing this in otherwise healthy people who are > > very, very unlikely to die from this infection, you better make sure it’s > > safe. So you want those regulations in place. > > > > > > An example is the dengue vaccine. When it was tested in Latin America > > and Philippines, it was found to actually increase your risk of dengue > > shock syndrome. Children who were less than 9 years of age, who had never > > been exposed to the virus before, were actually more likely to be hurt by > > the vaccine than helped by it. Now, you only knew that from doing large > > clinical trials with tens of thousands of people. > > > > > > The history of medical breakthroughs is littered with tragedy. You want > > to make sure that things are safe. > > > > > > What do you think is behind the apparent willingness to skirt the rules > > to rush a vaccine? > > > > > > I think that because we falsely overrate, or incorrectly rate, what the > > mortality rate is, we’re willing to accept that things will be rushed > > through. In fact, coronavirus doesn’t have a high mortality rate. > > > > > > There’s a virus that the CDC currently estimated has killed between > > 20,000 and 45,000 people in the United States -- influenza. But only half > > the country gets that vaccine. > > > > > > There’s only 14 deaths [in the U.S., as of Friday afternoon] from > > COVID-19, but everybody would get a vaccine now. > > > > > > The point being: We’re not very good at assessing risk. > > > > > > > > > https://www.inquirer.com/health/coronavirus/coronavirus-covid-19-vaccine-trump-paul-offit-20200306.html > > > > > > Gerry > > > > ........................................................................ > > > > > > > > > _______________________________________ > > > http://www.okiebenz.com > > > > > > To search list archives http://www.okiebenz.com/archive/ > > > > > > To Unsubscribe or change delivery options go to: > > > http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com > > > > > > > > > > > > > _______________________________________ > http://www.okiebenz.com > > To search list archives http://www.okiebenz.com/archive/ > > To Unsubscribe or change delivery options go to: > http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com > > _______________________________________ http://www.okiebenz.com To search list archives http://www.okiebenz.com/archive/ To Unsubscribe or change delivery options go to: http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
