Hybrid immunity and techniques for COVID-19 vaccination


Since April, 2022, BA.2.12.1, BA.4, and BA.5 subvariants of the omicron (B.1.1.529) SARS-CoV-2 variant of outrage had been spreading globally with higher viral health and transmissibility. Omicron BA.5 subvariant is these days the principal COVID-19 danger international.

1

WHO
Weekly epidemiological replace on COVID-19.