Cuban medical students Hector Manuel Batista, center right, and Ricardo Delgado talk to a woman at her home as they look for possible cases of the new coronavirus in rural areas in San Jose de las Lajas, Cuba, Thursday, April 30, 2020. (Photo by Ramon Espinosa/AP Photo)





Retired nurse Feridia Rojas, 82, wears cardboard shaped into a house at a market to protect herself from the spread of the coronavirus disease (COVID-19) outbreak, in Havana, Cuba, June 11, 2020. (Photo by Alexandre Meneghini/Reuters)





A woman wearing a mask as a precaution against the spread of the new coronavirus drives an electric bicycle while a wave crashes into the sea wall in Havana, Cuba, Tuesday, May 12, 2020. Cuban authorities are requiring the use of masks for anyone outside their homes. (Photo by Ramon Espinosa/AP Photo)





A man with his leg in a cast and wearing a protective face mask as a precaution against the spread of the coronavirus, is transported on a dolly, in Havana, Cuba, Wednesday, May 13, 2020. Cuban authorities are requiring the use of masks for anyone outside their homes amid the COVID-19 pandemic. (Photo by Ramon Espinosa/AP Photo)





People wearing face masks amid the spread of the new coronavirus wait to enter a government-run food store in Havana, Cuba, Tuesday, May 19, 2020. State media has started a campaign of zero tolerance for anyone attempting to cash in on the fallout from the spread of the new coronavirus, like hoarding and speculative pricing, which has imposed even more distress on Cubans who were already used to shortages and long lines in their efforts to find basic necessities. (Photo by Ramon Espinosa/AP Photo)





A man waves at the doctors, part the first Cuban medical brigade of the Henry Reeve Contingent, after it arrived in Havana, Cuba, Monday, June 8, 2020. The Cuban doctors had gone to Italy on March 22 to help with the COVID-19 emergency in the Lombardy region. (Photo by Ramon Espinosa/AP Photo)





Health professionals who volunteered to travel to Kuwait to treat of coronavirus patients walk in the rain after attending their farewell ceremony in Havana, Cuba, Thursday, June 4, 2020. (Photo by Ramon Espinosa/AP Photo)





Roberto Gonzalez, who produces mini shows for tourists with his two Dachshunds, poses for a photo in front of his home amid concerns about the spread of the coronavirus disease (COVID-19), in downtown Havana, Cuba, May 18, 2020. (Photo by Alexandre Meneghini/Reuters)





Virginia Galan works on her lettuce garden in the backyard of her home amid concerns about the spread of the coronavirus disease (COVID-19) in Havana, Cuba, June 26, 2020. (Photo by Alexandre Meneghini/Reuters)





View of Havana covered by a cloud of dust on June 25, 2020. A massive cloud of Saharan dust darkened much of Cuba on Wednesday and began to affect air quality in Florida, sparking warnings to people with respiratory illnesses to stay home. (Photo by Yamil Lage/AFP Photo)





A woman wearing a face mask as a precaution amid the spread of the new coronavirus carries eggs past the Capitol building in Havana, Cuba, Tuesday, June 16, 2020. (Photo by Ramon Espinosa/AP Photo)





Idania Espanola, 63, poses for a photo showing a bra that she will adapt into two face masks, amid the spread of the new coronavirus in Cojimar, Cuba, east of Havana, Tuesday, March 31, 2020. (Photo by Ramon Espinosa/AP Photo)





People wearing masks as a precaution against the spread of the new coronavirus, line up outside a minimarket to buy supplies while a stray cat walks past, in Havana, Cuba, Wednesday, May 6, 2020. Cuban authorities are requiring the use of masks for anyone outside their homes. (Photo by Ramon Espinosa/AP Photo)





A man wearing a military uniform in the back of a bicycle taxi rides with a group around Havana, Cuba, playing music from a speaker to mark May Day, or International Workers' Day, Friday, May 1, 2020. Due to the coronavirus pandemic, the Cuban government called off May Day celebrations, an event that showcases a huge rally and march in Revolution Square. (Photo by Ramon Espinosa/AP Photo)





People with masks walk as they carry shopping bags, in Havana, Cuba, 19 May 2020. Cuba continues this Tuesday the downward trend in daily infections of COVID-19, with only six new cases on its sixth consecutive day without deaths, according to the daily part of the Ministry of Public Health (Minsap). (Photo by Yander Zamora/EPA/EFE/Rex Features/Shutterstock)





Medical staff applaud while looking out onto a balcony where opera singer Andres Sanchez Joglar serenades his neighborhood in Havana, Cuba, Sunday, May 31, 2020. Andres sings every Sunday in the afternoon from his balcony in a central building in Havana to encourage neighbors in social isolation due to the coronavirus. (Photo by Ramon Espinosa/AP Photo)





People stand on their balconies amid the ongoing coronavirus COVID-19 pandemic in Havana, Cuba, 18 June 2020. Countries around the world are taking measures to stem the widespread of the SARS-CoV-2 coronavirus which causes the COVID-19 disease. (Photo by Yander Zamora/EPA/EFE/Rex Features/Shutterstock)





Workers wearing face masks clean the beach east of Havana on June 15, 2020 as Cuba prepares for a gradual reopening of the country amid the COVID-19 coronavirus pandemic. Cuba is planning to welcome tourists with COVID-19 tests and limit their contact with locals as part of a raft of measures designed to get its vital tourism industry back up and running. The government of President Miguel Diaz-Canel said it would gradually open up the economy in the next weeks, with a particular focus on recovering tourism dollars lost to the lockdown. (Photo by Yamil Lage/AFP Photo)





Medical students check door to door for people with symptoms amid concerns about the spread of the coronavirus disease (COVID-19), in downtown Havana, Cuba, May 11, 2020. (Photo by Alexandre Meneghini/Reuters)





Shoppers wearing protective face masks as a precaution against the spread of the coronavirus, wait their turn to enter a store to buy food, in Havana, Cuba, Wednesday, May 13, 2020. Cuban authorities are requiring the use of masks for anyone outside their homes amid the COVID-19 pandemic. (Photo by Ramon Espinosa/AP Photo)