What is Covid-19 – Covid-19 means infection with new corona virus that is Severe Acute Respiratory Syndrome Coronavirus-2 or SARS – Cov-2. The virus spread easily among people. It affects upper respiratory tract that is, Siruses, Nose and Throat. It may also affect lower respiratory tract that is Wind pipe and lungs.

Covid-19 is a group of disorders which shows uncontrolled production of pro-inflammatory cytokines. Cytokines are small secreted proteins released by cells have specific effect on communication between cells. Low immune response and secondary infections lead to multiple organ failure.

Infection Mechanism – For infection, viruses need host cells in order to multiply. Virus hijacks host factors and escape host immune system to efficient replication

RNA (Ribonucleic Acid) – The viruses causing disease in human may enter through the mouth, nose, and genital tract. So the primary sites of infection are cells of respiratory, intestinal, skin and genital tissues. Once inside the virus starts its replication and takes control of human cell cycle and produce millions to infect more cells.

Life cycle of virus – The virus has usually 5 to 14 days life cycle. It infects the host multiplies, damages the organ and finally excretes out of the body.

Prone to Covid-19 – There are several studies which have shown that men are more prone to the disease compared to women. Men fatalities are around two – third of total deaths because women have stronger immune system due to their extra X chromosomes’.

Symptoms of Covid-19 – Most common symptoms are fever, dry cough, and tiredness. It also less symptoms may be sore, throat, diarrhea, loss of taste or smell, rashes, and skin. The serious symptoms are difficulty in breathing, chest pain and loss of speech. When any individual are suffered with other serious diseases including cancer, heart problem , and problem in breathing then corona virus is very dangerous.

Precautions – There are some of the precautions which helps in preventing the spread of corona virus are as given below –

• Wear a mask
• Clean hands using soap and water or a alcohol –based hand rub.
• Have physical distancing of 2-meters.
• Do not touch eyes, nose and mouth.
• If there are symptoms seek medical attention.