Explanation:

A mosquito protein, called AEG12 has been found to inhibit the viruses that cause yellow fever, dengue etc. It is also found to weakly inhibit coronaviruses.
This has been studied and found by a team of researchers at the US National Institutes of Health (NIH). It is seen that the protein works by destabilising the viral envelope of the disease-causing virus.
the tournament was scheduled to be held in February 2021, it was postponed due to the Covid-19 pandemic.