Herd immunity: What is it, will it help us get out of Covid-19? Wall Street Journal

Loading player...
We know that Covid19 spreads through close contact, making crowded areas potentially deadly. But when some members of a crowd are immune, that begins to change. This is called herd immunity. It's what's protecting much of the population from diseases like measles and polio, and it's what's driving vaccine efforts today. Listen to the experts explain herd immunity, in this piece courtesy of BizNews partner Wall Street Journal. Learn more about your ad choices. Visit megaphone.fm/adchoices
30 Jul 2020 7AM English South Africa Investing · Business News

Other recent episodes

BN Daybreak Thurs 15 Jan: Abedian on SA Silence about “21st Century Nazis”; Mining Indaba's back story; Sasol Surges

In this morning's briefing, Alec Hogg unpacks a volatile geopolitical landscape where conflicting reports emerge from Iran—Donald Trump claims de-escalation while internal memos suggest mass casualties. We speak to Iranian-born and bred entrepreneur and former UCT Economics Prof Iraj Abedian, who delivers a scathing critique of the South African government's…
14 Jan 11PM 17 min

BN Briefing: Leaked Iran death toll, US-SA relations, and Equities vs Gold

In this BizNews Briefing, Dr. Iraj Abedian reveals leaked reports of 12,000 deaths in Iran, questioning the South African government’s silence. The Hudson Institute's Josh Meservey analyses Pretoria’s alignment with American adversaries. Plus, David Shapiro discusses the "survival mode" of South African business, and Peter Major explains why equities historically…
14 Jan 5AM 13 min

Wayne Sussman - The 2026 battles facing SA’s political parties - and leaders

In this latest edition of the Electoral Roadshow with Chris Steyn, Analyst Supremo Wayne Sussman reviews the most important political trends that emerged from last year’s by-election results, and previews the electoral battles still ahead in 2026. He also examines the political futures of Democratic Alliance (DA) leader John Steenhuisen…
14 Jan 6AM 17 min