Connecticut [US], December 11 (ANI): In a new study by Yale's Akiko Iwasaki, the Waldemar Von Zedtwitz Professor of Immunobiology, it was found that intranasal vaccination provided broad-based protection against heterologous respiratory viruses in mice.
Hong Kong, August 25 (ANI): A Hong Kong man, who had first tested positive for COVID-19 in March and made a full recovery was re-infected months later after making a trip overseas, according to researchers.