BY: World Liberty TV Coronavirus (COVID-19) Team
Today, all eyes are on efforts to develop a treatment to immunize people against Covid-19. And the pace of progress has been impressive. Just a few months after the disease crossed the Rubicon from bats to humans, its genetic code has been sequenced and published, diagnostic tests are available, and vaccine development is well underway. There are now many candidates at various stages in the pipeline.
Experts predict a year or more before we have an approved vaccine. Although that can seem like an eternity to many, it would be the fastest development in history.
There are many obstacles to overcome; starting with safety tests to determine that a vaccine doesn’t make the disease worse. That was a concern with a candidate developed in 2003 against severe acute respiratory syndrome (SARS), a different coronavirus.
For example, it is currently unclear how many doses will be needed to fight a disease that will have already expanded into most of the human population. The number of people who have developed natural immunity by the time vaccines arrive will determine whether we need millions or billions of doses.
Rapidly producing billions of doses vastly exceeds current vaccine production capacity and would likely require costly repurposing of other facilities, or building even more expensive new manufacturing plants. Yet uncertainty about demand can make it difficult to secure sufficient investment at a fair price per dose.
The novel coronavirus is not the most aggressive pathogen that disease fighters have ever faced. But it’s fast and elusive. Our strategy for fighting it must be as novel, agile, and global as the virus itself. The battle starts in the lab, but it will be won or lost in the delivery.
The vaccine development timeline: The development of vaccines can take years. This is especially true when the vaccines involve new technologies that haven’t been tested for safety or adapted to allow for mass production.
Why does it take so long? First, a vaccine is tested in animals to see if it works and if it’s safe. This testing must follow strict lab guidelines and generally takes three to six months. The manufacturing of vaccines also must follow quality and safety practices.
Next comes testing in humans. Small phase I clinical trials evaluate the safety of the vaccine in humans. During phase II, the formulation and doses of the vaccine are established to prove the vaccine’s effectiveness. Finally, during phase III, the safety and efficacy of a vaccine need to be demonstrated in a larger group of people.
Because of the seriousness of the COVID-19 pandemic, vaccine regulators might fast-track some of these steps. But it’s unlikely that a COVID-19 vaccine will become available sooner than six months after clinical trials start. Realistically, a vaccine will take 12 to 18 months or longer to develop and test in human clinical trials. And we don’t know yet whether an effective vaccine is possible for this virus.
If a vaccine is approved, it will take time to produce, distribute and administer to the global population. Because people have no immunity to COVID-19, it’s likely that two vaccinations will be needed, three to four weeks apart. People would likely start to achieve immunity to COVID-19 one to two weeks after the second vaccination.
A lot of work remains. Still, the number of pharmaceutical companies, governments and other agencies working on a COVID-19 vaccine is cause for hope.
How to protect yourself and prevent COVID-19 infection
Until a COVID-19 vaccine is available, infection prevention is crucial. The Centers for Disease Control and Prevention (CDC) recommend following these precautions for avoiding COVID-19:
Avoid close contact. This means avoiding close contact (within about 6 feet, or 2 meters) with anyone who is sick or has symptoms. Also, avoid large events and mass gatherings.
Wear cloth face coverings in public places. Cloth face coverings offer extra protection in places such as the grocery store, where it’s difficult to avoid close contact with others. They are especially suggested in areas with ongoing community spread. This updated advice is based on data showing that people with COVID-19 can transmit the virus before they realize they have it. Using masks in public may help reduce the spread from people who don’t have symptoms. Non-medical cloth masks are recommended for the public. Surgical masks and N-95 respirators are in short supply and should be reserved for health care providers.
Practice good hygiene. Wash your hands often with soap and water for at least 20 seconds, or use an alcohol-based hand sanitizer that contains at least 60% alcohol. Cover your mouth and nose with your elbow or a tissue when you cough or sneeze. Throw away the used tissue. Avoid touching your eyes, nose and mouth. Avoid sharing dishes, glasses, bedding and other household items if you’re sick. Clean and disinfect high-touch surfaces daily.
Stay home if you’re sick. If you aren’t feeling well, stay home unless you’re going to get medical care. Avoid going to work, school and public areas and don’t take public transportation.
If you have a chronic medical condition and may have a higher risk of serious illness, check with your doctor about other ways to protect yourself.
So in conclusion, there is many pharma companies based here in USA and around the world working hard to come up with an vaccine, all of them are capable of. But the issue is time, it is about one year away, according to may leading medical professionals. The Vaccine has to be tested , via trials, got to know what the side effects are and many more dynamics connected to this., before its approved.
So in the meantime please do follow the above instructions,Until a COVID-19 vaccine is available, infection prevention is crucial. The Centers for Disease Control and Prevention (CDC) recommend following these precautions for avoiding COVID-19.
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