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What Science Has To Say About “Herd Immunity”

The precise scientific term is “indirect protection” or “community immunity.” This is the protection against infection of a susceptible group of individuals

Can We Dare to Think about an End to AIDS?

What would my 23-year-old self have made of my 63-year-old self moderating a session on the end of AIDS as a public health threat...

HPV, Human Papillomavirus

HPV is a group of more than 200 related viruses, some of which are spread through vaginal, anal, or oral sex. Sexually transmitted HPV types fall into two groups, low risk and high risk

Some Fully Vaccinated People Are Getting COVID

A friend of mine in Florida got vaccinated three months ago. He has been battling COVID-19 for more than a week now. He describes...