The COVID-19 patient can spread the disease in how many people?

In March 2020, 61 people gathered in the American area of ​​Mount Vernon to practice music and everything was as usual. They stayed together for two and a half hours, and then three days later, COVID-19 was confirmed in one of them, and in the coming weeks, 53 people in the gathering fell ill, three were hospitalized, and two died.

The incident was reported on May 12, 2020, by the US Centers for Disease Control and Prevention. Countless such incidents have occurred in ships, nursing homes, meat plants, sky resorts, churches, restaurants, hospitals, and prisons, and often one person alone has caused dozens of illnesses.

Other infectious diseases are spread in the same way, but the new coronavirus seems to have the potential to infect more people together. But the exact number of people a patient can make sick is not yet clear, but it is thought that if the social distance is not taken into account, one person with the disease can make 3 more people sick, its reproduction number is (R) 3.

However, now a study claims that a person infected with COVID-19 can infect hundreds more in 30 days if precautions such as social distance are not implemented. The claim was made in a medical study in India.

The study by the Indian Council of Medical Research found that if physical distance measures were not followed, a patient could transmit the disease to 406 people in just four weeks. The study said: “People should avoid going out of the house unnecessarily and use face masks when they go out.”

According to researchers, it is very important to use face masks and not to invite people to their homes in the current situation. He said social distance, face masks, and hand hygiene can significantly reduce the risk of disease.

He added that if the instructions on physical distance were followed to some extent, even 50%, an infected person would be able to transmit the disease to only 15 people instead of 406.

Similarly, at 75% implementation, a patient will be able to infect only 2 to 3 people with the disease, so everyone should understand this aspect so that the epidemic can be prevented. Researchers used the term ‘Social Vaccine’ for social distance.

Earlier, a study in October 2020 found that a small number of people infected with the coronavirus spread the disease. Children and young people play a key role in the spread of the disease.

The study, conducted by the University of California, Johns Hopkins University, and Princeton Environment Institute (PEI) in the United States, discover that more than 575,000 people in the Indian states of Tamil Nadu and Andhra Pradesh were infected with the coronavirus. The rate was reviewed. These patients further transmitted the coronavirus to 84,965 people.

The researchers said that 71% of the infected people did not transmit the disease to anyone they came in contact with, but a major reason for the spread of the coronavirus is that a few people infected several people.

The study found that only 8% of those affected caused 60% of new cases. Overall, 7 out of 10 patients in COVID-19 do not cause a new case, but the remaining 3 patients can add multiple cases.

According to the study that a large number of new cases could develop in a single individual or in a place suitable for the spread of the virus, that is, in a wall with poor air circulation. The study also found that an individual is 2.4% more likely to be infected with the coronavirus at the community level and 9% more likely to be infected at home.

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