Their habits, natural tendencies, likes and dislikes all play a role in how a man lives his life and these can be understood as either the alpha, beta, gamma, omega, delta or sigma male ...

Q. What are the Sars-CoV-2 variants besides delta? A. The four main variants of the SARS-CoV-2 virus, currently, are the alpha, beta, gamma and delta variants, but others exist. The alpha variant ...