coronavirus by country worldometer

  • 6 min read
  • Feb 03, 2020

Coronavirus Symptoms (COVID-19) - Worldometer
Coronavirus Symptoms (COVID-19) – Worldometer

Honorary Senior Lecturer in Virology and President of Research-Aid Networks, University of Kent

Jeremy Rossman has received funding from the Medical Research Council and the European Commission. He is president of the non-profit organization-Aid Research Networks.

provide the funding as a member of The Conversation UK.

Since the pandemic began in the COVID-19, we have seen the virus spread. Some countries have experienced large outbreaks, including China, South Korea, Italy, Iran, Spain and France, with the US and the UK saw rapidly increasing numbers. But most countries in the world have reported very few or no cases COVID-19.

Although it is likely that the virus has not yet reached and started to localized transmission in each country, many of these countries have strong travel, migration or trade relations with China. This raises the question: is this a low number of cases since the virus does not reach or establish an infection, it is because of effective border control, or whether it reflects a lack of screening and reporting

The spread of a? infectious diseases from the country of origin is a complex process that involves many factors, but in essence, it is related to the movement of people. There are several parameters that can be used for a rough estimate of movement: travel (and) ,, and closeness. Viewed in the context of the rank order of the flow of people and goods between China other countries, we see the following (as of March 15):

Although this is an analysis considerably simplified from the movement of people, it was surprising that there were only 63 cases reported throughout Russia. Given that Russia has a relationship of travel, emigration, immigration and trade are very strong with China, the number of cases is very low raises the question, especially since other countries with ties comparably close (Japan, South Korea and the United States) experienced local transmission of significant ,

Also, it is interesting that in the 15 countries that share land or sea border with China (shown in bold), only 310 cases have been reported. Only India has reported over 100 cases (108) and ten countries have reported between zero and five cases. Given that many of these countries have significant trade and travel relations with China low level of cases shocking.

Apart from Russia, there are other areas in the world which has not reported any (or many) cases COVID-19. Of particular note is that in Africa, only Egypt has reported more than 100 cases (126) with most countries reporting between zero to five cases.

For the 54 countries in Africa, there were only 253 cases from 167 519 cases worldwide. There are several possible reasons for the low number of cases in many countries.

We are still in the early stages of a pandemic COVID-19, so it is not surprising that some countries have not had a case and has not experienced local transmission of the virus. But to understand the reasons why these countries sometimes well have some reported cases is important for global efforts to prevent the spread of the pandemic. There are various explanations for the low number of cases, including travel connections are weak, effective border screening and travel restrictions, the effects of the local climate, the lack of screening or a lack of reporting.

When considering a trip, many of the countries concerned have very low levels of travel exchange with China. This was confirmed by the travel ban is implemented by the Chinese during the early stages of an outbreak those who may have delayed the arrival of COVID-19 to various countries throughout Africa. In this scenario, the number of cases likely to increase significantly over the next two weeks because of extensive ongoing transmission in many European countries with a strong link trip to Africa.

Some countries with a very good trip, migration and trade relations with China still has a low case numbers compared (both Japan and Singapore have fewer than 1,000 cases). For these countries, there have been early and extensive, which may have held the local transmission in check. If these measures continue, these countries will probably see only a slow rise in the number of cases over the next few weeks.

It is interesting to see that most of the global cases are found north of the tropic of cancer. Currently, there is only south of the tropic of cancer. number of cases in countries residing in the tropics or during the southern hemisphere winter make up only 1.29% of global cases. This may reflect global travel and trade relations with China or to reflect.

It is also possible that the variety has been masked identification COVID-19 cases often present with symptoms of mild, non-specific.

If the travel connections with China has become a limiting factor then the case is likely to increase over the next two weeks, as discussed above for Africa. If the climate affects the transmission of the virus then the case may remain low until the cold weather in the southern hemisphere, and if other diseases masking COVID-19 cases, the reported cases will probably remain low in these countries, although actual cases will increase.

Finally, the low level of reported cases in many countries may be due to lack of testing or a lack of reporting. Many countries are actively pursuing a policy where only people with serious illness and a history of travel to areas with strong local transmissions will be tested, including. This will lead to a lack of reporting dramatic numbers of cases and can compromise the ability to contain the pandemic, as: “You can not fight the virus if you do not know where it is. Find, isolate, test and treat every case, to break the chain of transmission. ”

Other countries may simply not have to pay a large-scale testing, limiting their ability to control the disease in the country and has the potential to create a hot spot where the virus can continue to spread from. It is also possible that some countries that do not report or many cases they are to maintain their reputation or to prevent economic hardship that may be associated with containment measures, such as travel restrictions.

This is of particular concern that the close relationship with China and national extensive resources, Russia is only reported 63 cases. While it is possible that this low number reflects the screening them and there are fears that this reflects both the lack of screening or a lack of reporting. Combined with recent evidence that Russia has been behind some of COVID-19, raising concerns that Russia could play a dangerous game with global health. Hopefully this is just a case of good border control or low levels of testing, but time will tell.

This is a dynamic ongoing pandemic will require the joint efforts of countries around the world to control. As WHO director general of Tedros Adhanom Ghebreyesus said :. “”

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