It has been three days since Reynaldo Barrezueta passed away at his home in Ecuador’s biggest city – and still his body lies in a coffin on the sitting room floor.

“The authorities are just leaving us to die,” said his son, Eduardo Javier Barrezueta Chávez, who has spent the last 72 hours pleading with authorities remove his father’s corpse – so far to no avail.

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Barrezueta is not alone. In recent days the coronavirus has swept into Guayaquil with deadly force, overwhelming local authorities, funeral homes and hospitals and leaving families such as his facing unthinkable horrors.

Photographs and video footage emerging from this crisis-stricken coastal city look like images from the aftermath of a natural disaster: bodies wrapped in sheets and dumped on the roadside or outside houses; desperate families begging for help after being forced to keep their loved-ones corpses at home for days in temperatures of more than 30C.

Facebook Twitter Pinterest Coffins are transported to a cemetery in Guayaquil Photograph: Marcos Pin/EPA

Reynaldo Barrezueta, 57, died 13 days after falling ill with Covid-19. Photograph: Family Photo

“They’re leaving them in the streets, on the pavements, abandoned at home,” tweeted the city’s mayor, Cynthia Viteri, herself now in quarantine after testing positive for Covid-19. “What is going on in Guayaquil?”

Barrezueta, a 33-year-old odd-job man from the city’s south, has had a front row seat to the dystopia, which many fear offers a terrible glimpse of the future for other Latin American cities as coronavirus accelerates its march across the region.

His 57-year-old father fell ill on 18 March, a week after Ecuador’s president, Lenín Moreno, declared a nationwide coronavirus emergency and nearly three weeks after the country’s first confirmed case.

For five days Reynaldo Barrezueta suffered body and headaches before appearing to improve. But last Thursday Barrezueta said his father deteriorated, developing a ferocious cough, and was taken to Guayaquil’s Monte Sinaí hospital where a chest x-ray suggested he was suffering from pneumonia caused by Covid-19.

Facebook Twitter Pinterest A coffin with the body of a person who is believed to have died from Covid-19 lies wrapped in plastic and covered with cardboard, outside a block of family apartments in Guayaquil. Photograph: Filiberto Faustos/AP

Barrezueta claimed swamped health workers told him they had no room to admit his father and they returned home with instructions to treat him with paracetamol. At about 6am on Monday he woke with chest pains and breathing difficulties before dying in front of his family, apparently from a heart attack.

On Thursday lunchtime, more than three days later, his body was still there – a black binbag draped over the coffin in a futile attempt to conceal the growing stench of decomposition.

In a desperate bid to attract the attention of authorities, the victim’s son posted a video on social media in which he kneels down beside the casket, wearing a yellow face mask, and begs: “Please, I’m on my knees asking you to come and help me”.

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But so far – with the city’s morgue reportedly full and corpse collectors overwhelmed by the sheer number of dead – no one has.

Fernando Jiménez, the owner of one local funeral parlour, said he had closed his business because it was impossible to secure burial slots at the cemetery. “There was so much emergency demand that we couldn’t cope,” he said. “The situation is really out of control.”

A report in one local newspaper, Expreso, suggested the tragedy was only just beginning. “The situation is going to get even worse,” it predicted on Thursday as Ecuador’s government said it expected Guayaquil would suffer up to 3,500 deaths in the coming months.

Facebook Twitter Pinterest Relatives and the staff of Jardines de la Esperanza cemetery wait to bury victims in coffins which authorities have wrapped with plastic Photograph: Andrea Aguilar/AP

So far, few Latin American countries have been worse affected by coronavirus than Ecuador – and nowhere has been worse hit than Guayaquil where nearly half of the country’s 3,163 confirmed cases have been recorded.

Experts say one explanation is the high levels of air traffic between Ecuador and Spain, which is home to more than 400,000 Ecuadorian migrants and which has the world’s second-highest death toll from the disease. The first Covid-19 case recorded in the South American country was of a 71-year-old woman who flew into Guayaquil from Madrid in mid-February and died there on 13 March.

Others suspect Ecuador’s failure to quickly impose and enforce effective quarantine measures may have played a role, although the government rejects that charge.

The port city’s plight has sent shockwaves across a region where many already fragile health systems are now bracing for a similar wave of patients and deaths.

“It’s not time to snooze. It’s time to get ready,” El Salvador’s president, Nayib Bukele, tweeted this week, pointing to Guayaquil’s calamity as proof.

“They said the pandemic wouldn’t be so bad in Latin America because we’re used to illness, because it’s hot, because our population’s young,” added Bukele, who has ordered some of the region’s fastest and strictest anti-Covid measures. “But just look at what is happening in Ecuador.”

Facebook Twitter Pinterest Police officers and medical personnel collect a body from a house Photograph: Guyas Government/AFP/Getty Images

Pie de Página, a Mexican news website, warned: “For the rest of the world, Guayaquil is a nightmare that could come true”.

For Barrezueta and his 30-year-old wife, Katiuska Castro, it is an ordeal that is still playing out. As they sat at home with his Reynaldo’s cadaver on Thursday, the father-of-two said grief would have to wait.

“Of course, it’s a huge loss. He’s my dad. We feel awful,” he said.

“But we’re getting sick ourselves now. We’ve got all the symptoms … diarrhoea, fever … muscle aches. And we can’t go to the hospital because if you go to the hospital you just get more infected and they won’t see you anyway.

“He’s been here in the sitting room for three days and my family is getting infected,” complained Barrezueta, who has sent his two sons – aged two and four – to stay with relatives to get them out of danger.

Ecuador’s official coronavirus death toll now stands at 120, some 82 of which were recorded in the province of Guayas, of which Guayaquil is the capital.

But Barrezueta, like many here, said he suspected the true figure was far higher.

“We’re going through a very difficult situation here right now,” he said. “The president isn’t here. He’s hiding. We don’t know where he is. We’ve got no mayor. No governor. We’ve got nothing.”

“It’s chaos. There’s no-one to help us. We are afraid,” Barrezueta later added in a WhatsApp message. “Please. We need help. We are dying here and nobody is doing anything.”