Study suggests genes play a role in who catches COVID-19, according to research from 23AndMe. People with blood type O seemed to test positive for COVID-19 less often than other blood types. People with a specific variant of another gene also seemed to be more likely to have serious respiratory symptoms. (STAT)

AstraZeneca’s U.S. COVID-19 trial remains on hold as other countries restart. AstraZeneca restarted the trial in the U.K. on Saturday after a serious side effect appeared in one patient. A U.S. safety panel is continuing to investigate the trial. (Reuters)

Gilead has acquired cancer drugmaker Immunomedics for $21 billion. The deal will give Gilead access to Immunomedics’s recently approved breast cancer medicine, Trodelvy. (BioPharma Dive)

New U.S. COVID-19 cases dropped 15% last week. Deaths from the virus also dropped for the fourth week in a row. However, nine states have seen cases rise for at least two weeks. (Reuters)

Researchers to test an inhaled version of a COVID-19 vaccine made by Oxford University and Imperial College. The inhaled vaccine will be tested whether it can deliver a localized immune response in the respiratory tract. (Reuters)