Is Vaccine Immunity Waning?

Late last month, researchers in Israel released some alarming new Covid-19 data. The data showed that many Israelis who had been among the [...]

bula medicamento ticlid

Any notion that COVID-19 was going to last for just a few months was very much misplaced in 2020. Especially after it was [...]

What is herd immunity?

The discovery that epidemics don’t last forever in herds of cattle led to one of the most important concepts for fighting disease in [...]