A heat-tolerant Covid-19 vaccine formulation developed by the Indian Institute of Science (IISc) Bengaluru has proven effective against all current SARS-CoV-2 variants of concern, according to a study in animals.

The research, published in the ACS Infectious Diseases journal on Thursday, showed the vaccine formulations by IISc-incubated biotech start-up Mynvax triggered a strong immune response in mice.