Hundreds of scientists believe that the novel coronavirus in smaller particles in the air can infect people and called for the WHO to revise its recommendations
Shi Zhengli and her team mentioned in a paper about 152 genetic sequences of Coronavirus found in the mine, while one they described as a 'new strain' of the SARS
Preliminary results of Pfizer's vaccine candidate trials triggered a strong immune response, while there were no severe side effects seen among participants