In a preliminary study, Italian researchers found the virus that causes covid-19 in umbilical cord blood, breast milk and elsewhere among a small sample of women who had the infection.
As hospitals race to add new intensive care beds, doctors and nurses are under growing pressure.
Doctors are using a new antigen test that is a faster method to spot people infected with the coronavirus. It's cheaper and simpler but may be less reliable.
The new method holds promise as an easier, reliable way for people at risk of acquiring HIV to protect themselves.
The International AIDS Conference was slated to highlight uneven progress. Then, covid-19 intervened.