The pandemic caused by SARS-CoV-2 has continued to haunt people over the last 2 years, and has created fear, economic disruption, and a compromised ability. It has also raised concerns about long-term impacts of Long Covid and mental health, it can be hard to measure. Some common synonyms of efficacious are effective, effectual, and efficient. It means "producing or capable of producing a result," efficacious suggests possession of a special quality or virtue that gives effective power.
In a swift response, several safe and efficacious vaccines were developed within a year. But the almost simultaneous emergence of more infectious variants of concern — Alpha, Beta and Gamma — in locations across Europe, Africa and Latin America, underscored the complexities and noun hazard from the virus all over the world. After another ‘fitter’, highly infectious, fast copy and lethal variant called Delta, superseded all circulating ones and drove the waves of the pandemic throughout the world And just when things appeared to be settled down, another very highly evolve and fast-replicating variant, Omicron, first detected in South Africa, began to sweep through Europe and the Americans, and is currently spreading all over the world. The United States of America and other European countries, with their populations vaccinated, have recorded higher numbers of new cases recently since the pandemic began. Two years on, and in yet another huge surge in the pandemic. Recently china have recorded higher number of cases in a single day....... So where do we stand? What have we learned about the virus? Are we better prepared to deal with the pandemic? Are u prepared???
Explained:
Progress has been made in vaccination, while therapeutics provide another tool. But the virus is still evolving, and Omicron causes moderate disease, it should be treated with maximum caution.
Vaccination
With the help of people support, the vaccination process is easier.
The development of vaccines against a virus whose name is corona....in less than a year will go down in history as one of the greatest achievements in science. It should be predictable. With more than 20 vaccines approved worldwide, and about 9.3 billion doses having been rolled out, this is by far the largest vaccination drive ever in the world. But this huge achievement, sadly, has also laid bare one of the darkest facets of the modern world of haves and have-nots. While many rich countries have more than 79% of their population fully vaccinated, in some poor countries more than 80% of their populations have remained unvaccinated. With high rates of infection, low vaccine coverage and poor infrastructure for surveillance, the virus has a free hand to evolve into more infectious mutants and remain undetected in several poor countries With the recent waves... now even more infectious Omicron variants, health policymakers and governments in many countries are confronted with questions including when children should be vaccinated, the need and necessity for booster shots, re-imposition of restrictions, and whether we are better prepared to deal with the pandemic now than last year. Doses for children: Whether children should be vaccinated is no longer a matter of debate, with many vaccines proven to be safe in children and approved by regulators worldwide. In fact, back in mid-2021, vaccine companies had started safe dosing and efficacy trials in children of all groups, including those below one year of age. Vaccination of children has become an integral part of immunization programs not only in western and Latin Americans countries but also in many countries in the Middle East and South-East Asia. Cuba has already vaccinated all children above the age of two years with their vaccines. China has vaccinated all children above three. India has begun to vaccinate its children of age 15 and above using the inactivated virus-based Cobain. Vaccination of children is essential for controlling the pandemic and opening of schools, and is based on strong scientific evidence. The booster debate: Another debate that has gathered momentum recently with the arrival of Omicron is whether booster doses are needed for already fully vaccinated individuals. But this is not a new debate either. In fact, vaccine-making companies had started mix-and-match booster trials back in April-May 2021, soon after vaccination programs had started. Several vaccination follow-up studies have clearly shown that levels of protective antibodies, acquired through vaccination or natural exposure, decline substantially within 6 to 10 months, more so in the elderly and immune comprised individuals, making them susceptible to reinfection and severe disease. While other forms of acquired immunity including T-cell immunity may play a virtual role, the only measurable correlate of protection against severe disease is the level of virus neutralizing antibodies. While virus variants such as Delta and Omicron can evade acquired immunity to infect vaccinated individuals, it is remarkable that all vaccines currently in use have remained effective against severe disease and death. By end-August 2021, many rich countries had started giving booster doses even though it appeared morally incorrect due to global inequality in vaccine access, and was against the advice of the World Health Organization (WHO) at that time. Now, with the huge surge in infections, booster doses are being given wherever vaccines are easily available. Israel, a leader in Covid-19 vaccination, has already started testing a fourth dose in frontline health workers. The US has recently approved Pfizer’s vaccine for boosters, even in children above the age of 14. Booster doses are now mandatory in many countries. India too has started its booster vaccination program.
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