World Health Organization reported that a total of eight coronavirus vaccine candidates are in a clinical trial and a over 110 other vaccines are at different stages of development, worldwide.

In an attempt to combat this deadly contagion, pharmaceutical companies and medicinal institutes from various countries like China, USA and Germany are leading in developing the Covid-19 vaccine. South China Morning News reported that USA and China have announced tentative dates by when the vaccine may be available.

Zhang Wenhong, a Chinese health official, has stated that humans may be availed the vaccine by as early as March 2021. He said, "There are uncertainties in developing vaccines. Coronaviruses, including MERS and SARS, have not seen a particularly reliable one so far, the best scenario is if one of the vaccines that are being made by the people is effective and progressing relatively fast, it should be available as soon as from March to June next year." 

Previously, US President Donald Trump had claimed that the vaccine to combat COVID-19 could be available by the end of this year. He had stated at a Fox News virtual town hall, "I think we will have the vaccine by the end of the year. We might get a vaccine much sooner rather than later."

World over politicians and scientists are aggressively searching for a cure to this deadly virus which has claimed over 313000 lives and infected 4.7 million people.