Most people associate viruses with illness and suffering, however, considering that the vast majority of viruses cause no illness and are actually beneficial to humans and the planet as a whole, this sentiment is largely misplaced.
On February 27, 2021, the FDA issued an emergency use authorization for a one-dose SARS-CoV-2 vaccine developed by Janssen Pharmaceutica, a Belgium-based division of Johnson & Johnson.
by Gertrud U. Rey There are currently 315 therapeutic drugs and 210 vaccine candidates in development to treat or prevent SARS-CoV-2 infection. Many of these vaccines are designed to be administered by injection into the muscle. Intramuscular injection of a vaccine antigen typically induces a systemic (serum) immune response that involves the action of IgM and IgG …