Despite having more than 40 projects in development around town, Adam McKay is slapping his name on one more, hopping back into business with HBO on an untitled limited series about the hunt for a COVID-19 vaccine. HBO has optioned the non-fiction book The First Show from author Brendan Borrell, who writes for the New York Times, the Atlantic and Wired, the latter of which published his piece The Dire Diplomacy of the Global 'Race for a Vaccine.' The book will explore the people and companies risking everything to find a vaccine, as well as the science it'…