Tag: herd immunity

Is vaccine refusal enabling the delta variant? Check this article out.

Is vaccine refusal enabling the delta variant? Check this article out. My daughter in Chicago who works at the VA just told me that due to the rise of the delta variant, all federal hospitals such as the V.A. are now requiring vaccination for all their employees. This trend is also taking place in many hospital systems and in some workplaces. The case for mass vaccination  In NJ, close to 60% of the populace has been vaccinated against covid-19 and our numbers are rising as well.  Nationally, about 50% have been vaccinated. The governor of NJ has not reinstituted a Read More »

Will we ever reach Covid-19 herd immunity?

Will we ever reach Covid-19 herd immunity? Herd Immunity means enough people are vaccinated so the community is protected against an illness or virus. Those who have had Covid-19, plus those who have been vaccinated become part of the herd. Depending on who you listen to, herd immunity is reached when between 60-90% of the population has become vaccinated.  While there are a number of us who are unwilling to become vaccinated, as long as most people are exposed either naturally or through inoculation, we can crowd out the virus. There is also the concern of viral variants, some of Read More »

Natural immunity to Covid-19 can last for years according to a recent study.

Natural immunity to Covid-19 can last for years according to a recent study. So, you’ve had covid-19 a few months ago and now a vaccine is available.   If you had Covid-19 a few months back, do you need the vaccine as well? There has been a lot of discussion about this since the antibodies may only be present for 3-6 months.   Once you have natural immunity, it should last for years, well past the time when the antibodies go away. This is because the body’s T cells will continue to recognize and protect us for years afterward.    T cells Read More »

Are we almost at Herd Immunity for Covid19? This is what scientists now believe.

Are we almost at Herd Immunity for Covid19? This is what scientists now believe. Herd Immunity means you have reached a level that protects most of us from becoming ill from a virus or other infective agents. Currently, researchers have in the past believed you must achieve immunity levels of 70% for the population to be immune. More than a dozen scientists are now rethinking this age-old idea.  There is a growing belief that Herd Immunity can be achieved at only 50% of the population developing resistance to the infective agent. In the case of covid19, we must look at Read More »