effective

The Russian Covid-19 vaccine was highly effective in testing, the study reveals, driving Moscow’s ambitions to launch

Research shows that the nasal spray that protects against COVID-19 is also effective against the common cold

The spread of the virus variant in Britain could make vaccines less effective, study shows

NIH study shows that hyaluronan is effective in treating chronic lung diseases

COVID-19 vaccines effective against current variants, but a new one may be more difficult, says Inglesby

Data released from Johnson & Johnson Phase 3: a jab, 72% effective

Senior health official fears vaccine will be less effective against South African strain

COVID vaccine update: Johnson & Johnson vaccine 85% effective against serious illnesses

Pfizer CEO: In the future, COVID-19 vaccines will not be effective

The J&J vaccine is effective in preventing serious diseases; a mother’s COVID-19 antibodies can protect newborns

Dr. Fauci: Covid vaccines are less effective against the new variant – it’s a ‘warning sign’

Vacid-19 by J&J: how effective is it and when will it be available?