In Episode 54 of Inside Covid-19, some expert insight (and good news) as SA hits number five among the world's new daily infection table; a global South African tech guru breaks new ground on the coronavirus with an agent-based artificial intelligence model; there’s bad news for restaurant owners worldwide as at least 25% are expected to never re-open; and another brilliant investigation by our partners at the Wall Street Journal – this time into why infections in the hard-hit USA are back at new record levels – and what other countries like South Africa can learn from it. - Alec Hogg