coronavirusKnut Wittkowski On Herd Immunity … By Contributing Writers - April 28, 2020 Share FacebookTwitterPinterestWhatsAppLinkedinVK Epidemiologist Dr. Knut Wittkowski: "There is no fundamental difference between the flu and COVID". What an interview! Dr. Wittkowski doesn’t mince words or sugarcoat anything as he explains to Dr. Dan Erickson his perspective regarding herd immunity, COVID-19, consequences of social isolation lockdown and the effectiveness of vaccines.Posted by Accelerated Urgent Care – Temecula on Monday, April 27, 2020