WhatsApp messages claiming the BCG vaccine prevents coronavirus ... in Arabic says that if you have the circular scar from the jab on your arm, you could be "75% protected" against Covid-19.

Ultimately the typical puckered scar is formed which remains for lifetime. The injection site should not be pressed or rubbed. It should not be fomented. Nothing needs to be applied locally.

The study also clarifies a previously observed association between scar development at the site of BCG vaccination on the ...