Early data from trials of three potential Covid-19 vaccines released on Monday, including a closely-watched candidate from Oxford University, increased confidence that a vaccine can train the immune system to recognize and fight the novel coronavirus without serious side effects.…

When domestic flights were restarted in May, a motley staple of beverages from India’s domestic kitchens like haldi doodh, rasam, tulsi-mint shikanji, saffron sattu shake and amla aam panna — flying in on their reputation as immunity boosters — made…

BioNTech of Germany and the US pharmaceutical giant Pfizer reported positive preliminary results on Wednesday from a joint project to develop a coronavirus vaccine. Known as BNT162b1, it produces antibody responses at or above the levels seen in any convalescent…