herd immunity

As we continue to try and “open up,” much is made of herd immunity. Herd immunity was the putative, underlying rationale for some countries to forgo quarantine and lockdowns. But what exactly do we mean when we talk about herd immunity? 
The coronavirus has mutated to become more infectious. Does that mean it will become more or less lethal? And what implication does it have for a vaccine and herd immunity?
Much remains unknown about the coronavirus. A new paper published in The Lancet estimates that roughly 60% of the population needs to be immune to COVID-19 to achieve herd immunity.
Regardless of where one falls on the HPV vaccine debate, there's good news from Australia. New research shows that men who are unvaccinated for HPV are receiving protective benefits from the women who are vaccinated. 
Public Health Ontario, in collaboration with the Institute for Clinical Evaluative Sciences, have published data which reveal a 71 percent drop in hospitalizations due to rotavirus infection since the introduction of the rotavirus vaccine in 2011.
We ve written several times about the Disneyland measles outbreak that occurred earlier this year. A total of 147 people were sickened in the US, and infections also spread to Mexico and Canada. The outbreak once again sparked the debate about vaccinations. With
A recent judge ruling protects the public health of its local community by prohibiting unvaccinated students from attending school when another
Measles is a highly contagious viral infection that once burdened an average 53,000 people in the United States. As of 2000, officials