A 3-month interval between doses of the Oxford COVID-19 vaccine results in higher vaccine efficacy than a 6-week interval, with the first dose offering 76% protection in the 3 months between doses.

Many Nevadans who received their first COVID-19 vaccine dose are close to the recommended time for their second shot and questions are being raised about the impact of delays. Recommended intervals ...

Those who have already had two doses of the Pfizer vaccine are now eligible to receive a booster dose of the same vaccine or a booster dose of the COVID-19 J&J vaccine at least 90 days (three months) ...

India will revisit the dosage interval for the Covishield vaccine and take appropriate action based on emerging data, NK Arora, chairperson of the working group of immunisation advisory body NTAGI, ...

Discussions are underway on whether India should have a four or eight weeks interval for Covishield vaccine, Chairman of India's COVID-19 Working Group of NTAGI, Dr N K Arora, said. He also said that ...