Experts warn vaccines are 'almost certainly less effective' at reducing transmission of Indian variant while BMA urges 'utmost caution' with easing of lockdown as Boris sends Army into Covid hotspots amid warnings of 1,000 deaths a day by summer PM announced last night that Britain will press ahead with plans for indoor drinking and dining from Monday But government scientists revealed that variant could 'realistically' be 50% more infectious than Kent strain Prime Minister has pledged to 'throw everything we have at this task' and is set to send the Army into hotspots JCVI's Dr Anthony Harnden said Britain's vaccine rollout may not stop the virus infecting the vulnerable