Updated news of Covid - 19

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Coronavirus has now spread to over 216 countries, with cases of infection crossing 14 million worldwide, including more than 6 lakh deaths.

While initially animal-to-person spread of the disease was suspected, by January, person-to-person spread of the virus was reported around the world. In the first week of March, the World Health Organization (WHO) declared Covid-19 a pandemic, triggering unprecedented national lockdowns, upending economies and stretching healthcare systems to the brink.

Updated lists of symptoms of Covid-19:
Till now, 12 symptoms of the virus have been identified by the US health protection agency Centers for Disease Control and Prevention (CDC). Last month, the agency included congestion or runny nose, nausea, and diarrhoea as possible indicators of the infection.

The list already included the fever, cough, shortness of breath, fatigue, muscle or body aches, headache, new loss of taste or smell and sore throat. They may appear 2 to 14 days after exposure to the virus.

Recently, in several countries, including India, children have often shown some symptoms associated with a rare illness called Kawasaki disease about 2-3 weeks after getting infected with coronavirus. These symptoms include rashes and inflammation. Last month, the World Health Organization (WHO) termed this new illness as “multi system inflammatory disorder”.

Modes of Transmission:
The WHO recently updated its brief on “Modes of transmission of virus causing COVID-19” and formally acknowledged “evidence emerging” of the airborne spread of the novel coronavirus.

However, the WHO still maintains that transmission through respiratory droplets when an infected person coughs, sneezes, and talk is still understood to be the primary mode of transmission of the virus.

It also mentions another type of transmission called fomite transmission. It refers to transmission through infected surfaces such as doorknobs, elevator buttons, handrails, phones, switches, pens, keyboards and, if not disinfected, even a doctor’s stethoscope.

It also mentions another type of transmission called fomite transmission. It refers to transmission through infected surfaces — such as doorknobs, elevator buttons, handrails, phones, switches, pens, keyboards and, if not disinfected, even a doctor’s stethoscope.

Treatment prescribed for the Covid-19 patients:

To date, there are no specific vaccines or medicines to prevent Covid-19 and the drugs being used only help reduce the viral load. The US Food and Drug Administration (FDA) has granted emergency-use authorisation for antiviral drug remdesivir while the UK government has approved the use of a low-cost, widely used steroid dexamethasone.

India has also authorised off-label use of immuno-suppressant drug tocilizumab and convalescent plasma therapy on specific groups of patients apart from oxygen or mechanical ventilation. Moreover, India has also been using hydroxy chloroquine as a prophylactic drug.

Besides, India is also using Favipiravir for Covid-19 treatment. Last month, Glenmark Pharmaceuticals launched the drug under the brand name FabiFlu, making it the first oral Favipiravir-approved medication in India for the treatment of Covid-19.

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