Singing does not produce substantially more respiratory particles than speaking at a similar volume, a study suggests. But it all depends on how loud a person is, according to the initial findings which are yet to be peer reviewed. The project, called Perform, looked at the amount of aerosols and droplets generated by performers.
Losing the ability to smell or taste are two of the symptoms associated with Covid-19. But while many have regained their senses, for others it has turned into a phenomenon called parosmia, leaving them trapped in a world of distorted scents.
This post answers some important question about long haulers. In essence some people experience symptoms like fatigue, shortness of breath, joint pain, chest pain, cough. These symptoms are not related to the severity of the infection.
For every person testing positive for antibodies, two were found to have specific T-cells which identify and destroy infected cells. This was seen even in people who had mild or symptomless cases of Covid-19. But it's not yet clear whether this just protects that individual, or if it might also stop them from passing on the infection to others.
A cheap and widely available drug can help save the lives of patients seriously ill with coronavirus. The low-dose steroid treatment dexamethasone is a major breakthrough in the fight against the deadly virus, UK experts say. The drug is part of the world's biggest trial testing existing treatments to see if they also work for coronavirus.
At least another 130,000 people worldwide have died during the coronavirus pandemic on top of 440,000 officially recorded deaths from the virus, according to BBC research.
Sweden's controversial decision not to impose a strict lockdown in response to the Covid-19 pandemic led to too many deaths, the man behind the policy, Anders Tegnell, has acknowledged.
WhatsApp has been key to the spread of misinformation during the pandemic. Concerned friends and relatives have used private group chats to forward on dodgy lists of medical advice or speculation about government plans, “just in case” they could be useful. So Whats app stopped messages sent between individual users five times or more then being posted to more than one chat group at a time.
Two volunteers were injected, the first of more than 800 people recruited for the study. Half will receive the Covid-19 vaccine, and half a control vaccine which protects against meningitis but not coronavirus. The design of the trial means volunteers will not know which vaccine they are getting, though doctors will.
WHO says governments should not issue so-called immunity passports" as a way of easing lockdowns. No evidence people who develop antibodies after recovering are protected against a second infection. WHO warns that such move could actually increase the spread of the virus transmission. People who assumed they were immune could stop taking precautions.