why vaccine for covid-19 is difficult to prepare ?

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https://elemental.medium.com/the-reason-we-dont-have-a-coronavirus-vaccine-16ec63524277

Coronavirus Vaccines: Why They Are So Difficult To Develop …
https://elemental.medium.com/the-reason-we-dont-have-a-coronavirus-vaccine-16ec63524277
W ith few untested medications and vaccines, the global community is relying on public health and social distancing measures to contain this unprecedented outbreak. These efforts go a long way to neutralize the spread of Covid-19 but pale in comparison to the protective value of a vaccine. Had there been a viable vaccine available after the MERS outbreak, we would now have at least a starting …

https://www.tehrantimes.com/news/458470/Why-is-it-difficult-to-make-a-vaccine-for-the-coronavirus

Why is it difficult to make a vaccine for the coronavirus …
https://www.tehrantimes.com/news/458470/Why-is-it-difficult-to-make-a-vaccine-for-the-coronavirus
Hence, it is very difficult to produce a vaccine to produce the new viruses. The corona family is one of the largest viral families. Viruses in this family cause a variety of illnesses similar to the common cold. Some of these viruses cause the common cold symptoms and some of these cause severe respiratory illness.

https://www.cdc.gov/coronavirus/2019-ncov/vaccines/prepare-for-vaccination.html

Preparing for Your COVID-19 Vaccination | CDC
https://www.cdc.gov/coronavirus/2019-ncov/vaccines/prepare-for-vaccination.html
COVID-19 vaccines are effective at protecting you from getting sick even after you have had COVID-19. Vaccination is an important tool to help us get back to normal. This information will help you prepare for your COVID-19 vaccination. Learn more about the different types of COVID-19 vaccines and how they work. Pfizer-BioNTech COVID-19 Vaccine

https://www.huffpost.com/entry/developing-coronavirus-covid-vaccine_n_5ef60facc5b6ca97090eced3

What’s So Hard About Developing A COVID-19 Vaccine? We …
https://www.huffpost.com/entry/developing-coronavirus-covid-vaccine_n_5ef60facc5b6ca97090eced3
As the coronavirus pandemic continues to spread around the globe, the best hope for truly getting it under control is a vaccine that would protect people from contracting COVID-19.Scientists in the U.S., China, the U.K. and elsewhere are racing to develop a vaccine and there have been some promising signs that one of the many vaccine candidates under development may prove effective against the …

https://publichealth.jhu.edu/2021/im-a-healthy-young-person-why-should-i-get-a-covid-vaccine

I’m a Healthy Young Person. Why Should I Get a COVID Vaccine?
https://publichealth.jhu.edu/2021/im-a-healthy-young-person-why-should-i-get-a-covid-vaccine
SOURCE: The COVID-19 Questions We Don’t Have Answers For Yet. I have health conditions that make me hesitant about getting the vaccine. I’m worried that if I get the vaccine, my conditions will get worse within the upcoming months or years. There is no evidence that COVID-19 vaccines can worsen underlying conditions.

https://www.cdc.gov/coronavirus/2019-ncov/vaccines/vaccine-benefits.html

Benefits of Getting a COVID-19 Vaccine | CDC
https://www.cdc.gov/coronavirus/2019-ncov/vaccines/vaccine-benefits.html
Learn more about how federal partners are ensuring COVID-19 vaccines work. COVID-19 vaccines are effective. COVID 19-vaccines are effective. They can keep you from getting and spreading the virus that causes COVID-19. Learn more about the different COVID-19 vaccines. COVID-19 vaccines also help keep you from getting seriously ill even if you do …

https://www.wsj.com/articles/why-administering-covid-19-shots-is-so-hard-11613322773

Why Administering Covid-19 Vaccines Is So Hard – WSJ
https://www.wsj.com/articles/why-administering-covid-19-shots-is-so-hard-11613322773
Delivering Covid-19 shots to sites around the country is just the first step in vaccinating the population. Getting them from the freezer and into arms is another journey, complicated by the…

https://www.mayoclinic.org/diseases-conditions/coronavirus/in-depth/coronavirus-vaccine/art-20484859

Get the facts about COVID-19 vaccines – Mayo Clinic
https://www.mayoclinic.org/diseases-conditions/coronavirus/in-depth/coronavirus-vaccine/art-20484859
Currently, several COVID-19 vaccines are in clinical trials. The FDA continues to review the results of these trials before approving or authorizing COVID-19 vaccines for use. But because there is an urgent need for COVID-19 vaccines and the FDA’s vaccine approval process can take months to years, the FDA first gave emergency use authorization to COVID-19 vaccines based on less data than is …

https://www.cnet.com/health/why-people-dont-want-the-covid-19-vaccine-hesitancy-vs-resistance/

Why people don’t want the COVID-19 vaccine: Hesitancy vs …
https://www.cnet.com/health/why-people-dont-want-the-covid-19-vaccine-hesitancy-vs-resistance/
Why people don’t want the COVID-19 vaccine: Hesitancy vs. resistance. Throw away whatever image you have of someone who doesn’t want the shot — that group is much more diverse than you think.

https://www.huffingtonpost.co.uk/entry/why-it-takes-so-long-to-make-a-coronavirus-vaccine_uk_5ea98f2ac5b6123a176580c9

Why It Takes So Long To Make A Coronavirus Vaccine …
https://www.huffingtonpost.co.uk/entry/why-it-takes-so-long-to-make-a-coronavirus-vaccine_uk_5ea98f2ac5b6123a176580c9
With so many potential vaccines in testing, you also may wonder why medical experts say it will take at least 12 to 18 months before one is ready to go. If a coronavirus vaccine did make it to …