The doubtful effectiveness of the COVID-19 vaccine

A COVID-19 pandemic has erupted around the world. World Health Organization (WHO) and allies are racing to create deploy safe effective vaccines as they work together monitor pandemic, advise on crucial measures, distribute essential medical resources those in need. Vaccines save millions of lives, by training body's natural defenses, immune system, identify combat viruses bacteria intended combat. This review article presents status evaluated WHO Emergency Use Listing (EUL) assessment process liberated well. Data was obtained from WHO, Gavi – The Vaccine Alliance Bill & Melinda Gates Foundation, Oxford Group, Serum Institute India, AstraZeneca, European Medicines Agency EMA among others. As can be seen, there is still no totally vaccine, many clinical trials needed, even immunized citizens at risk recontagion. Virus mutation a recurring problem different vaccine production methodologies being studied.