The event is due to open in the Kenyan capital in less than 50 days on August 17 having been postponed last year due to the coronavirus pandemic.

Up to 1,300 competitors from 128 countries are expected to compete in the Championships which have previously been the launchpad for the successful careers of athletes like Ethiopia’s Haile Gebrselassie and the Jamaican Usain Bolt.

Preparations for the event have continued despite Nairobi having been in lockdown for most of the last 12 months.

A World Athletics team visited Nairobi and prioritised discussions about the measures being taken to create a safe and secure environment for athletes and other accredited groups, and the additional elements and resources required to stage an international event in these times.

The Kenyan Government has agreed to waive the 14-day quarantine upon arrival in Kenya and streamline the visa application system so that any accredited person for the event will be able to enter the country.

World Athletics and the local organisers plan to build two "bubbles" in Kasarani and Nyayo Stadiums respectively as well as 10 hotel bubbles for teams, officials and suppliers for the event due to conclude on August 22. 

The projected number of COVID tests for this coming event is more than 15,000.

Many of the protocols being introduced for these Championships have already been successfully trialled at the World Half Marathon Championships in Gdynia last year and the World Athletics Relays in Silesia in May.

In Silesia, more than 7,000 COVID-19 tests were conducted on some 2,000 participants, which included 700 team members from 31 countries, without a single case of infection at the event.

Britain has already announced that it will not be sending a team to compete in the World Athletics U20 Championships following United Kingdom Government advice not to travel to Kenya because it on the "red list" of countries in the UK.

"We wish to thank both the Kenyan Government and the LOC (Local Organising Committee) for their tireless efforts to make sure the world’s best U20 athletes can gather safely in Nairobi in August for what is a key milestone in their development into elite senior international athletes," said World Athletics President Sebastian Coe.

"The stars of tomorrow generally begin to shine in this competition, and it is important for the youth of Kenya - one of our sport’s most productive cradles of athletic talent - to see these future stars competing on their own soil and to dream of what is possible.

"I want to reassure both the athletes and the people of Kenya that we will do our utmost to ensure their safety as the competition unfolds."