Are Covid booster shots necessary? – video explainer | World news

[ad_1] Many countries with already high vaccination rates are considering offering people an additional coronavirus vaccine dose. But are these booster shots necessary? And what about the issue of vaccine equity? The Guardian’s Natalie Grover examines the costs and benefits of possibly introducing a third jab [ad_2] Source link

Coronavirus live: Biden to be briefed on US Covid origins report; Delta variant has 300 times greater viral load | World news

[ad_1] The 2020 Paralympic Games will kick off in Tokyo with the opening ceremony on Tuesday as Japan struggles with its worst Covid-19 outbreak so far, record daily cases and an overwhelmed medical system. The organisers admitted last week that the Paralympics will be held under “very difficult” circumstances as Japan’s health situation has worsened … Read more