CBS News medical contributor Dr. David Agus joins “CBS This Morning” to break down a new study that found mRNA COVID-19 vaccines likely produce long-term immunity against the coronavirus and discusses what is known about vaccine effectiveness as the more…
#Short #Covid19 #covid Dr. Lisa, MD, MPH, MPA Physician, Medical Epidemiologist, Founder – Grapevine Health responds to the question of when we will reach herd immunity. ►Watch more from Grapevine Health: https://bit.ly/3ht9X8I ►Subscribe to the Grapevine Health YouTube Channel: https://bit.ly/2RR6V3c…
Vitamin D serves as a major regulator of immune function. Meta-analyses of randomized controlled trials show that daily or weekly vitamin D supplementation — but not large bolus doses — protects against acute respiratory tract infections. In the context of…