Fever, body ache, a feeling of sluggishness, cough and cold are common symptoms of mild Covid-19 infection. While massive breathlessness and need for oxygen support are usually associated with severe Covid-19 cases, a few patients also report massive inflammation and fatal blood clots. According to new study published in the journal ‘Blood’, such a reaction might be the result of one’s body producing antibodies to fight the disease triggering unnecessary platelet activity in the lungs.