Used for more than a thousand years, vaccination is the best method to prevent infectious diseases. It has eliminated smallpox, polio, measles and tetanus from most parts of the world. Despite this success, the anti-vaccination movement has many supporters and gained popularity, so much so that experts fear the return of nearly eradicated diseases. At present, several campaigns are underway to vaccinate against the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) that causes Coronavirus disease 2019 (COVID-19).
If approval comes before clinical trials end, this could complicate the study of vaccines’ long-term effects
Scientists welcome the first compelling evidence that vaccines can prevent COVID-19 – but questions remain about how much protection they offer, and for how long.
Governments that are considering compulsory immunizations must avoid stoking anti-vaccine sentiment, argue Saad B. Omer, Cornelia Betsch and Julie Leask.
Since 2016, yellow fever outbreaks have become a major public health concern
For 35 years, researchers have been trying to beat the virus that causes AIDS. For just as long, Burt Dorman has been saying he has a faster way.